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diff --git a/files/de/mozilla/add-ons/webextensions/manifest.json/commands/index.html b/files/de/mozilla/add-ons/webextensions/manifest.json/commands/index.html
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@@ -0,0 +1,184 @@
+---
+title: commands
+slug: Mozilla/Add-ons/WebExtensions/manifest.json/commands
+tags:
+  - Add-ons Erweiterungen WebExtensions
+translation_of: Mozilla/Add-ons/WebExtensions/manifest.json/commands
+---
+<div>{{AddonSidebar}}</div>
+
+<table class="fullwidth-table standard-table">
+ <tbody>
+  <tr>
+   <th scope="row" style="width: 30%;">Typ</th>
+   <td><code>Objekt</code></td>
+  </tr>
+  <tr>
+   <th scope="row">Obligatorisch</th>
+   <td>Nein</td>
+  </tr>
+  <tr>
+   <th scope="row">Beispiel</th>
+   <td>
+    <pre class="brush: json no-line-numbers">
+"commands": {
+  "toggle-feature": {
+    "suggested_key": {
+      "default": "Ctrl+Shift+Y",
+      "linux": "Ctrl+Shift+U"
+    },
+    "description": "Ereignis 'toggle-feature' senden"
+  }
+}</pre>
+   </td>
+  </tr>
+ </tbody>
+</table>
+
+<p>Verwenden Sie den<code>commands-Schlüssel, um für Ihre Erweiterung eine oder mehrere Tastenkürzel zu definieren</code>.</p>
+
+<p>Jedes Tastenkürzel wird mit einem Namen, eine Kombination von Tasten und einer Beschreibung definiert. Sobald Sie einige Befehle in der manifest.json definiert haben, können Sie die zugewiesenen Tastenkombinationen mittels der JavaScript-API  {{WebExtAPIRef("commands")}} verwenden.</p>
+
+<h2 id="Syntax">Syntax</h2>
+
+<p>Der <code>commands-Schlüssel</code>ist ein Objekt, und jedes Tastenkürzel ist eine Eigenschaft von ihm. Der Name der Eigenschaft ist der Name des Tastenkürzels.</p>
+
+<p>Jedes Tastenkürzel ist selbst ein Objekt, das bis zu zwei Eigenschaften hat:</p>
+
+<ul>
+ <li><code>suggested_key</code>: diese definiert die Tastenkombination</li>
+ <li><code>description</code>: eine Zeichenkette, die dieses Tastenkürzel beschreibt</li>
+</ul>
+
+<p>Die Eigenschaft <code>suggested_key</code> ist selbst ein Objekt, das folgende Eigenschaften haben kann, die alle Zeichenketten sind:</p>
+
+<ul>
+ <li><code>"default"</code>, <code>"mac"</code>, <code>"linux"</code>, <code>"windows"</code>, <code>"chromeos"</code>, <code>"android"</code>, <code>"ios"</code></li>
+</ul>
+
+<p>Der Wert jeder Eigenschaft ist das Tastenkürzel für den Befehl auf der angegebenen Plattform, der als Zeichenkette angegeben wird, die die durch ein „+“ voneinander getrennten Tasten enthält. Der Wert für <code>„default“</code> wird auf allen Plattformen verwendet, die nicht ausdrücklich angegeben sind.</p>
+
+<p>Beispiel:</p>
+
+<pre class="brush: json no-line-numbers">"commands": {
+  "toggle-feature": {
+    "suggested_key": {
+      "default": "Alt+Shift+U",
+      "linux": "Ctrl+Shift+U"
+    },
+    "description": "'toggle-feature'-Ereignis an die Erweiterung senden"
+  },
+  "do-another-thing": {
+    "suggested_key": {
+      "default": "Ctrl+Shift+Y"
+    }
+  }
+}</pre>
+
+<p>Dies definiert zwei Tastenkürzel:</p>
+
+<ul>
+ <li>eine mit dem Namen "toggle-feature", auf die mit Hilfe von <kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>U</kbd> auf Linux und <kbd>Alt</kbd>+<kbd>Shift</kbd>+<kbd>U</kbd> auf allen anderen Plattformen zugegriffen wird</li>
+ <li>eine mit dem Namen "do-another-thing", auf die mit Hilfe von <kbd>Ctrl</kbd>+<kbd>Shift</kbd>+<kbd>Y</kbd> auf allen Plattformen zugegriffen wird.</li>
+</ul>
+
+<p>Sie könnten dann den ersten dieser Befehle mit einem Code wie diesen verwenden:</p>
+
+<pre class="brush: js no-line-numbers">browser.commands.onCommand.addListener(function(command) {
+  if (command == "toggle-feature") {
+    console.log("toggling the feature!");
+  }
+});</pre>
+
+<h3 id="Besondere_Tastenkürzel">Besondere Tastenkürzel</h3>
+
+<p>Es gibt drei besondere Tastenkürzel:</p>
+
+<ul>
+ <li>_execute_browser_action: funktioniert wie ein Klick auf die <a href="/en-US/docs/Mozilla/Add-ons/WebExtensions/Browser_action">Browseraktion</a> der Erweiterung.</li>
+ <li>_execute_page_action: funktioniert wie ein Klick auf die <a href="/en-US/docs/Mozilla/Add-ons/WebExtensions/Page_actions">Seitenaktion</a> der Erweiterung.</li>
+ <li>_execute_sidebar_action: öffnet die <a href="/en-US/docs/Mozilla/Add-ons/WebExtensions/Sidebars">Seitenleiste</a> der Erweiterung. Wird nur in Firefox unterstützt und erst ab Firefox Version 54.</li>
+</ul>
+
+<p>Dies definiert zum Beispiel eine Tastenkombination, um auf die Browseraktion der Erweiterung zu klicken:</p>
+
+<pre class="brush: js no-line-numbers">"commands": {
+  "_execute_browser_action": {
+    "suggested_key": {
+      "default": "Ctrl+Shift+Y"
+    }
+  }
+}</pre>
+
+<h2 id="Tastenkürzel-Werte">Tastenkürzel-Werte</h2>
+
+<p>Es gibt zwei gültige Formate für Tastenkürzel: als Tastenkombination oder als Medien-Taste.</p>
+
+<h3 id="Tastenkombinationen">Tastenkombinationen</h3>
+
+<div class="pull-aside">
+<div class="moreinfo">Auf Macs wird "Ctrl" als  "Command"-Taste interpretiert, geben Sie also "MacCrtl" an, wenn Sie eigentlich "Ctrl" brauchen.</div>
+</div>
+
+<p>Tastenkombinationen müssen aus zwei oder mehr Tasten bestehen:</p>
+
+<ul>
+ <li><strong>Modifikator </strong>(obligatorisch, mit Ausnahme der Funktionstasten). Dieser kann sein: "Ctrl", "Alt", "Command", "MacCtrl".</li>
+ <li><strong>zweiter Modifikator</strong> (optional). Wenn angegeben, muss dieser entweder "Shift" oder (für Firefox ≥ 63)  "Ctrl", "Alt", "Command" und "MacCtrl" sein, wenn sie nicht als Hauptmodifikator verwendet werden.</li>
+ <li><strong>Taste </strong>(obligatorisch). Die kann sein:
+  <ul>
+   <li>die Buchstaben A-Z</li>
+   <li>die Zahlen 0-9</li>
+   <li>die Funktionstasten F1-F12</li>
+   <li>Comma (Komma), Period (Punkt), Home (Pos1), End (Ende), PageUp (Bild hoch) , PageDown (Bild runter), Space (Leertaste), Insert (Einfg), Delete (Entf), Up (Pfeil hoch), Down (Pfeil runter), Left (Pfeil links), Right (Pfeil rechts)</li>
+  </ul>
+ </li>
+</ul>
+
+<p>Die Taste wird dann als Zeichenkette angegeben, die den Satz an Tastenwerten enthält, in der oben angegebenen Reihenfolge, getrennt durch "+": zum Beispiel "Ctrl+Shift+Z".</p>
+
+<p>Wenn eine Tastenkombination bereits vom Browser (zum Beispiel "Ctrl+P") oder durch ein bestehendes Add-on verwendet wird, können Sie sie nicht überschreiben. Sie dürfen sie definieren, aber Ihr Eventhandler wird nicht aufgerufen, wenn der Benutzer sie eingibt.</p>
+
+<h3 id="Medientasten">Medientasten</h3>
+
+<p>Alternativ kann das Tastenkürzel als eine der folgenden Medientasten angegeben werden:</p>
+
+<ul>
+ <li>"MediaNextTrack", "MediaPlayPause", "MediaPrevTrack", "MediaStop"</li>
+</ul>
+
+<h2 id="Beispiel">Beispiel</h2>
+
+<p>Definieren Sie ein einzelnes Tastenkürzel, das nur standardmäßig verwendet wird:</p>
+
+<pre class="brush: json no-line-numbers">"commands": {
+  "toggle-feature": {
+    "suggested_key": {
+      "default": "Ctrl+Shift+Y"
+    },
+    "description": "Ereignis'toggle-feature' senden"
+  }
+}</pre>
+
+<p>Definieren Sie zwei Tastenkürzel, eins mit einer plattformspezifischen Tastenkombination:</p>
+
+<pre class="brush: json no-line-numbers">"commands": {
+  "toggle-feature": {
+    "suggested_key": {
+      "default": "Alt+Shift+U",
+      "linux": "Ctrl+Shift+U"
+    },
+    "description": "Ereignis 'toggle-feature' senden"
+  },
+  "do-another-thing": {
+    "suggested_key": {
+      "default": "Ctrl+Shift+Y"
+    }
+  }
+}</pre>
+
+<h2 id="Browserkompatibilität">Browserkompatibilität</h2>
+
+<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>
+
+<p>{{Compat("webextensions.manifest.commands")}}</p>
diff --git a/files/de/mozilla/add-ons/webextensions/manifest.json/devtools_page/index.html b/files/de/mozilla/add-ons/webextensions/manifest.json/devtools_page/index.html
new file mode 100644
index 0000000000..1b4afb1cfa
--- /dev/null
+++ b/files/de/mozilla/add-ons/webextensions/manifest.json/devtools_page/index.html
@@ -0,0 +1,42 @@
+---
+title: devtools_page
+slug: Mozilla/Add-ons/WebExtensions/manifest.json/devtools_page
+translation_of: Mozilla/Add-ons/WebExtensions/manifest.json/devtools_page
+---
+<div>{{AddonSidebar}}</div>
+
+<table class="fullwidth-table standard-table">
+ <tbody>
+  <tr>
+   <th scope="row" style="width: 30%;">Type</th>
+   <td><code>String</code></td>
+  </tr>
+  <tr>
+   <th scope="row">Mandatory</th>
+   <td>No</td>
+  </tr>
+  <tr>
+   <th scope="row">Example</th>
+   <td>
+    <pre class="brush: json no-line-numbers">
+"devtools_page": "devtools/my-page.html"</pre>
+   </td>
+  </tr>
+ </tbody>
+</table>
+
+<p>Use this key to enable your extension to extend the browser's built-in devtools.</p>
+
+<p>This key is defined as a URL to an HTML file. The HTML file must be bundled with the extension, and the URL is relative to the extension's root.</p>
+
+<p>See <a href="/en-US/docs/Mozilla/Add-ons/WebExtensions/Extending_the_developer_tools">Extending the developer tools</a> to learn more.</p>
+
+<h2 id="Example">Example</h2>
+
+<pre class="brush: json no-line-numbers">"devtools_page": "devtools/my-page.html"</pre>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>
+
+<p>{{Compat("webextensions.manifest.devtools_page")}}</p>
diff --git a/files/de/mozilla/add-ons/webextensions/manifest.json/index.html b/files/de/mozilla/add-ons/webextensions/manifest.json/index.html
new file mode 100644
index 0000000000..10a4fd8597
--- /dev/null
+++ b/files/de/mozilla/add-ons/webextensions/manifest.json/index.html
@@ -0,0 +1,105 @@
+---
+title: manifest.json
+slug: Mozilla/Add-ons/WebExtensions/manifest.json
+tags:
+  - Add-ons
+  - Extensions
+  - NeedsTranslation
+  - TopicStub
+  - WebExtensions
+translation_of: Mozilla/Add-ons/WebExtensions/manifest.json
+---
+<div>{{AddonSidebar}}</div>
+
+<p>Die Datei manifest.json ist eine <a href="/en-US/docs/Glossary/JSON">JSON</a>-formatierte Datei, und die einzige Datei, die eine Erweiterung, die das WebExtensions API verwendet, unterstützt.</p>
+
+<p>Durch das Verwenden von manifest.json, legst du Metadaten, wie zum Beispiel Name und Version, für deine Erweiterung fest, und kannst auch einige Aspekte der Funktionalität deiner Erweiterung,wie zum Beispiel Hintergrundskripte, Inhaltsskripte und Browserationen.</p>
+
+<p>Manifest.json keys sind unten gelistet:</p>
+
+<div class="twocolumns">{{ ListSubpages ("/en-US/Add-ons/WebExtensions/manifest.json") }}</div>
+
+<div class="twocolumns"> </div>
+
+<p><code>"manifest_version"</code>, <code>"version"</code>, und <code>"name"</code> sind die einzigen verpflichtenden Keys. <code>"default_locale"</code> muss vorhanden sein, wenn der "_locales"-Ordner vorhanden ist und darf sonst nicht vorhanden sein. <code>"applications"</code> wird von Google Chrome nicht unterstützt, und ist verpflichtend in Firefox vor Firefox 48 und Firefox für Android.</p>
+
+<h2 id="Browserkompatiblität">Browserkompatiblität</h2>
+
+<p>{{Compat("webextensions.manifest")}}</p>
+
+<h2 id="Beispiel">Beispiel</h2>
+
+<p>Hier ein kurzes Syntax-Beispiel für manifest.json:</p>
+
+<pre class="brush: json">{
+  "applications": {
+    "gecko": {
+      "id": "addon@example.com",
+      "strict_min_version": "42.0"
+    }
+  },
+
+  "background": {
+    "scripts": ["jquery.js", "my-background.js"],
+    "page": "my-background.html"
+  },
+
+  "browser_action": {
+    "default_icon": {
+      "19": "button/geo-19.png",
+      "38": "button/geo-38.png"
+    },
+    "default_title": "Whereami?",
+    "default_popup": "popup/geo.html"
+  },
+
+  "commands": {
+    "toggle-feature": {
+      "suggested_key": {
+        "default": "Ctrl+Shift+Y",
+        "linux": "Ctrl+Shift+U"
+      },
+      "description": "Send a 'toggle-feature' event"
+    }
+  },
+
+  "content_security_policy": "script-src 'self' https://example.com; object-src 'self'",
+
+  "content_scripts": [
+    {
+      "exclude_matches": ["*://developer.mozilla.org/*"],
+      "matches": ["*://*.mozilla.org/*"],
+      "js": ["borderify.js"]
+    }
+  ],
+
+  "default_locale": "en",
+
+  "description": "...",
+
+  "icons": {
+    "48": "icon.png",
+    "96": "icon@2x.png"
+  },
+
+  "manifest_version": 2,
+
+  "name": "...",
+
+  "page_action": {
+    "default_icon": {
+      "19": "button/geo-19.png",
+      "38": "button/geo-38.png"
+    },
+    "default_title": "Whereami?",
+    "default_popup": "popup/geo.html"
+  },
+
+  "permissions": ["webNavigation"],
+
+  "version": "0.1",
+
+  "web_accessible_resources": ["images/my-image.png"]
+}</pre>
+
+<p> </p>
diff --git a/files/de/mozilla/add-ons/webextensions/manifest.json/theme/index.html b/files/de/mozilla/add-ons/webextensions/manifest.json/theme/index.html
new file mode 100644
index 0000000000..30825db592
--- /dev/null
+++ b/files/de/mozilla/add-ons/webextensions/manifest.json/theme/index.html
@@ -0,0 +1,1361 @@
+---
+title: theme
+slug: Mozilla/Add-ons/WebExtensions/manifest.json/theme
+translation_of: Mozilla/Add-ons/WebExtensions/manifest.json/theme
+---
+<div>{{AddonSidebar}}</div>
+
+<table class="fullwidth-table standard-table">
+ <tbody>
+  <tr>
+   <th scope="row" style="width: 30%;">Type</th>
+   <td><code>Object</code></td>
+  </tr>
+  <tr>
+   <th scope="row">Mandatory</th>
+   <td>No</td>
+  </tr>
+  <tr>
+   <th scope="row">Example</th>
+   <td>
+    <pre class="brush: json notranslate">
+"theme": {
+  "images": {
+    "theme_frame": "images/sun.jpg"
+  },
+  "colors": {
+    "frame": "#CF723F",
+    "tab_background_text": "#000"
+  }
+}</pre>
+   </td>
+  </tr>
+ </tbody>
+</table>
+
+<p>Use the theme key to define a static theme to apply to Firefox.</p>
+
+<div class="note">
+<p><strong>Note</strong>: If you want to include a theme with an extension, please see the {{WebExtAPIRef("theme")}} API.</p>
+</div>
+
+<div class="note">
+<p><strong>Note</strong>: Since May 2019, themes need to be signed to be installed ({{bug(1545109)}}).  See <a href="/en-US/docs/Mozilla/Add-ons/Distribution">Signing and distributing your add-on</a> for more details.</p>
+</div>
+
+<div class="note">
+<p><strong>Theme support in Firefox for Android</strong>: A new version of Firefox for Android, based on GeckoView, is under development. A <a href="https://play.google.com/store/apps/details?id=org.mozilla.fenix" rel="noreferrer nofollow">pre-release version</a> is available. The pre-release version does not support themes.</p>
+</div>
+
+<h2 id="Image_formats">Image formats</h2>
+
+<p>The following image formats are supported in all theme image properties:</p>
+
+<ul>
+ <li>JPEG</li>
+ <li>PNG</li>
+ <li>APNG</li>
+ <li>SVG (animated SVG is supported from Firefox 59)</li>
+ <li>GIF (animated GIF isn’t supported)</li>
+</ul>
+
+<h2 id="Syntax">Syntax</h2>
+
+<p>The theme key is an object that takes the following properties:</p>
+
+<table class="fullwidth-table standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Name</th>
+   <th scope="col">Type</th>
+   <th scope="col">Description</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td><code>images</code></td>
+   <td><code>Object</code></td>
+   <td>
+    <p>Optional as of Firefox 60. Mandatory before Firefox 60.</p>
+
+    <p>A JSON object whose properties represent the images to display in various parts of the browser. See <code><a href="/en-US/Add-ons/WebExtensions/manifest.json/theme#images">images</a></code> for details on the properties that this object can contain.</p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>colors</code></td>
+   <td><code>Object</code></td>
+   <td>
+    <p>Mandatory.</p>
+
+    <p>A JSON object whose properties represent the colors of various parts of the browser. See <code><a href="/en-US/Add-ons/WebExtensions/manifest.json/theme#colors">colors</a></code> for details on the properties that this object can contain.</p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>properties</code></td>
+   <td><code>Object</code></td>
+   <td>
+    <p>Optional</p>
+
+    <p>This object has two properties that affect how the <code>"additional_backgrounds"</code> images are displayed. See <code><a href="/en-US/Add-ons/WebExtensions/manifest.json/theme#properties">properties</a></code> for details on the properties that this object can contain.</p>
+
+    <ul>
+     <li><code>"additional_backgrounds_alignment":</code> an array of enumeration values defining the alignment of the corresponding <code>"additional_backgrounds":</code> array item.<br>
+      The alignment options include: <code>"bottom"</code>, <code>"center"</code>, <code>"left"</code>, <code>"right"</code>, <code>"top"</code>, <code>"center bottom"</code>, <code>"center center"</code>, <code>"center top"</code>, <code>"left bottom"</code>, <code>"left center"</code>, <code>"left top"</code>, <code>"right bottom"</code>, <code>"right center"</code>, and <code>"right top"</code>. If not specified, defaults to <code>"right top"</code>.<br>
+      Optional</li>
+     <li><code>"additional_backgrounds_tiling":</code> an array of enumeration values defining how the corresponding <code>"additional_backgrounds":</code> array item repeats, with support for <code>"no-repeat"</code>, <code>"repeat"</code>, <code>"repeat-x"</code>, and <code>"repeat-y"</code>. If not specified, defaults to <code>"no-repeat"</code>.<br>
+      Optional</li>
+    </ul>
+   </td>
+  </tr>
+ </tbody>
+</table>
+
+<h3 id="images">images</h3>
+
+<p dir="ltr">All URLs are relative to the manifest.json file and cannot reference an external URL.</p>
+
+<p dir="ltr">Images should be 200 pixels high to ensure they always fill the header space vertically.</p>
+
+<table class="fullwidth-table standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Name</th>
+   <th scope="col">Type</th>
+   <th scope="col">Description</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td><code>headerURL </code> <code>{{Deprecated_Inline}}</code></td>
+   <td><code>String</code></td>
+   <td>
+    <div class="blockIndicator warning">
+    <p><code>headerURL</code> has been removed in Firefox 70. You will begin to get warnings in Firefox 65 and later if you load a theme that uses this property. Use <code>theme_frame</code> instead.</p>
+    </div>
+
+    <p>The URL of a foreground image to be added to the header area and anchored to the upper right corner of the header area.</p>
+
+    <p>Optional in desktop Firefox from Firefox 60 onwards. One of <code>theme_frame</code> or <code>headerURL</code> had to be specified before Firefox 60. Note also that in Firefox 60 onwards, any {{cssxref("text-shadow")}} applied to the header text is removed if no <code>headerURL</code> is specified (see {{bug(1404688)}}).</p>
+
+    <p>In Firefox for Android, <code>headerURL</code> or <code>theme_frame</code>  must be specified.</p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>theme_frame</code></td>
+   <td><code>String</code></td>
+   <td>
+    <p>The URL of a foreground image to be added to the header area and anchored to the upper right corner of the header area.</p>
+
+    <div class="blockIndicator note">
+    <p>Chrome anchors the image to the top left of the header and if the image doesn’t fill the header area tile the image.</p>
+    </div>
+
+    <p>Optional in desktop Firefox 60 onwards. One of <code>theme_frame</code> or <code>headerURL</code> had to be specified before Firefox 60.</p>
+
+    <p>In Firefox for Android, <code>headerURL</code> or <code>theme_frame</code>  must be specified.</p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>additional_backgrounds</code></td>
+   <td><code>Array </code>of <code>String</code></td>
+   <td>
+    <div class="warning">
+    <p>The <code>additional_backgrounds</code> property is experimental. It is currently accepted in release versions of Firefox, but its behavior is subject to change. It is not supported in Firefox for Android.</p>
+    </div>
+
+    <p>An array of URLs for additional background images to be added to the header area and displayed behind the <code>"theme_frame":</code> image. These images layer the first image in the array on top, the last image in the array at the bottom.</p>
+
+    <p>Optional.</p>
+
+    <p>By default all images are anchored to the upper right corner of the header area, but their alignment and repeat behavior can be controlled by properties of <code>"properties":</code>.</p>
+   </td>
+  </tr>
+ </tbody>
+</table>
+
+<h3 id="colors">colors</h3>
+
+<p>These properties define the colors used for different parts of the browser. They are all optional (but note that <code>"accentcolor"</code> and <code>"textcolor"</code> were mandatory in Firefox before version 63).  How these properties affect the Firefox UI  is shown here:</p>
+
+<table class="fullwidth-table standard-table">
+ <tbody>
+  <tr>
+   <td style="background-color: white;">
+    <p><img alt="Overview of the color properties and how they apply to Firefox UI components" src="https://mdn.mozillademos.org/files/16855/Themes_components_annotations.png" style="height: 1065px; width: 1521px;"></p>
+   </td>
+  </tr>
+ </tbody>
+</table>
+
+<div class="blockIndicator note">
+<p>Where a component is affected by multiple color properties, the properties are listed in order of precedence.</p>
+</div>
+
+<p>All these properties can be specified as either a string containing any valid <a href="/en-US/docs/Web/CSS/color_value">CSS color string</a> (including hexadecimal), or an RGB array, such as <code>"tab_background_text": [ 107 , 99 , 23 ]</code>.</p>
+
+<div class="blockIndicator note">
+<p><a href="https://developer.mozilla.org/en-US/Add-ons/WebExtensions/manifest.json/theme#Chrome_compatibility">In Chrome, colors may only be specified as RGB arrays</a>.</p>
+
+<p>In Firefox for Android colors can be specified using:</p>
+
+<ul>
+ <li>full hexadecimal notation, that is #RRGGBB only. <em>alpha</em> and shortened syntax, as in #RGB[A], are not supported.</li>
+ <li><a href="/en-US/docs/Web/CSS/color_value#Syntax_2">Functional notation</a> (RGB arrays) for themes targeting Firefox 68.2 or later.</li>
+</ul>
+
+<p>Colors for Firefox for Android themes cannot be specified using color names.</p>
+</div>
+
+<table class="fullwidth-table standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Name</th>
+   <th scope="col">Description</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>
+    <p><code>accentcolor</code><code> {{Deprecated_Inline}}</code></p>
+   </td>
+   <td>
+    <div class="blockIndicator warning">
+    <p><code>accentcolor</code> has been removed in Firefox 70. You will begin to get warnings in Firefox 65 and later if you load a theme that uses this property. Use the <code>frame</code> property instead.</p>
+    </div>
+
+    <p>The color of the header area background, displayed in the part of the header not covered or visible through the images specified in <code>"headerURL"</code> and <code>"additional_backgrounds"</code>.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "accentcolor": "red",
+     "tab_background_text": "white"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15871/theme-accentcolor.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>bookmark_text</code></td>
+   <td>
+    <p>The color of text and icons in the bookmark and find bars. Also, if <code>tab_text</code> isn't defined it sets the color of the active tab text and if <code>icons</code> isn't defined the color of the toolbar icons. Provided as Chrome compatible alias for <code>toolbar_text</code>.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure any color used contrasts well with those used in <code>frame</code> and <code>frame_inactive</code> or <code>toolbar</code> if you're using that property.</p>
+
+    <p>Where <code>icons</code> isn't defined, also ensure good contrast with<code> button_background_active</code> and <code>button_background_hover</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "tab_background_text": "white",
+    "tab_text": "white",
+    "toolbar": "black",
+    "bookmark_text": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="Example use of the bookmark_text color property" src="https://mdn.mozillademos.org/files/16668/theme-bookmark_text.png"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>button_background_active</code></td>
+   <td>
+    <p>The color of the background of the pressed toolbar buttons.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "button_background_active": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15872/theme-button_background_active.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>button_background_hover</code></td>
+   <td>
+    <p>The color of the background of the toolbar buttons on hover.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "button_background_hover": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15873/theme-button_background_hover.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>icons</code></td>
+   <td>
+    <p>The color of toolbar icons, excluding those in the find toolbar.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with those used in <code>frame</code>,  <code>frame_inactive</code>, <code>button_background_active</code>, and <code>button_background_hover</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "icons": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15874/theme-icons.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>icons_attention</code></td>
+   <td>
+    <p>The color of toolbar icons in attention state such as the starred bookmark icon or finished download icon.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with those used in <code>frame</code>,  <code>frame_inactive</code>, <code>button_background_active</code>, and <code>button_background_hover</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "icons_attention": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15875/theme-icons_attention.png" style="height: 324px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>frame</code></td>
+   <td>
+    <p>The color of the header area background, displayed in the part of the header not covered or visible through the images specified in <code>"theme_frame"</code> and <code>"additional_backgrounds"</code>.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "red",
+     "tab_background_text": "white"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15871/theme-accentcolor.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>frame_inactive</code></td>
+   <td>
+    <p>The color of the header area background when the browser window is inactive, displayed in the part of the header not covered or visible through the images specified in <code>"theme_frame"</code> and <code>"additional_backgrounds"</code>.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "red",
+     "frame_inactive": "gray",
+     "tab_text": "white"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="Example use of the frame_inactive color property" src="https://mdn.mozillademos.org/files/16669/theme-frame_inactive.png" style="height: 193px; width: 752px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>ntp_background</code></td>
+   <td>
+    <p>The new tab page background color.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "ntp_background": "red",
+     "ntp_text": "white"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/16175/ntp_colors.png" style="display: block; height: 190px; margin: 0 auto;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>ntp_text</code></td>
+   <td>
+    <p>The new tab page text color.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with that used in <code>ntp_background</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "ntp_background": "red",
+     "ntp_text": "white"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/16175/ntp_colors.png" style="display: block; height: 190px; margin: 0 auto;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>popup</code></td>
+   <td>
+    <p>The background color of popups (such as the url bar dropdown and the arrow panels).</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "popup": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15876/theme-popup.png" style="height: 324px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>popup_border</code></td>
+   <td>
+    <p>The border color of popups.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "popup": "black",
+     "popup_text": "white",
+     "popup_border": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15877/theme-popup_border.png" style="height: 324px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>popup_highlight</code></td>
+   <td>
+    <p>The background color of items highlighted using the keyboard inside popups (such as the selected url bar dropdown item).</p>
+
+    <div class="blockIndicator note">
+    <p>It's recommended to define <code>popup_highlight_text</code> to override the browser default text color on various platforms.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "popup_highlight": "red",
+     "popup_highlight_text": "white"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15878/theme-popup_highlight.png" style="height: 490px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>popup_highlight_text</code></td>
+   <td>
+    <p>The text color of items highlighted inside popups.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with that used in <code>popup_highlight</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "popup_highlight": "black",
+     "popup_highlight_text": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15879/theme-popup_highlight_text.png" style="height: 490px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>popup_text</code></td>
+   <td>
+    <p>The text color of popups.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with that used in <code>popup</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "popup": "black",
+     "popup_text": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15880/popup_text.png" style="height: 490px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>sidebar</code></td>
+   <td>
+    <p>The background color of the sidebar.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "sidebar": "red",
+     "sidebar_highlight": "white",
+     "sidebar_highlight_text": "green",
+     "sidebar_text": "white"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/16176/sidebar_colors.png" style="display: block; margin: 0 auto; width: 250px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>sidebar_border</code></td>
+   <td>
+    <p>The border and splitter color of the browser sidebar</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "sidebar_border": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/16177/Screen_Shot_2018-09-16_at_6.13.31_PM.png" style="display: block; height: 286px; margin: 0px auto; width: 300px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>sidebar_highlight</code></td>
+   <td>
+    <p>The background color of highlighted rows in built-in sidebars</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "sidebar_highlight": "red",
+     "sidebar_highlight_text": "white"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/16223/Screen_Shot_2018-10-04_at_11.15.46_AM.png" style="display: block; height: 357px; margin: 0px auto; width: 269px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>sidebar_highlight_text</code></td>
+   <td>
+    <p>The text color of highlighted rows in sidebars.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with that used in <code>sidebar_highlight</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "sidebar_highlight": "pink",
+    "sidebar_highlight_text": "red",
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/16224/Screen_Shot_2018-10-04_at_11.22.41_AM.png" style="display: block; height: 363px; margin: auto; width: 262px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>sidebar_text</code></td>
+   <td>
+    <p>The text color of sidebars.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with that used in <code>sidebar</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "sidebar": "red",
+     "sidebar_highlight": "white",
+     "sidebar_highlight_text": "green",
+     "sidebar_text": "white"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/16176/sidebar_colors.png" style="display: block; margin: 0 auto; width: 250px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>tab_background_separator</code></td>
+   <td>
+    <p>The color of the vertical separator of the background tabs.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "tab_background_separator": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="A closeup of browser tabs to highlight the separator." src="https://mdn.mozillademos.org/files/16048/theme-tab-background-separator.png" style="height: 356px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>tab_background_text</code></td>
+   <td>
+    <p>The color of the text displayed in the inactive page tabs. If <code>tab_text</code> or <code>bookmark_text</code> isn't specified, applies to the active tab text.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with those used in <code>tab_selected</code> or <code>frame</code> and  <code>frame_inactive</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "toolbar": "white",
+    "tab_background_text": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15885/theme-textcolor.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>tab_line</code></td>
+   <td>
+    <p>The color of the selected tab line.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "tab_line": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15881/theme-tab_line.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>tab_loading</code></td>
+   <td>
+    <p>The color of the tab loading indicator and the tab loading burst.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "tab_loading": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15882/theme-tab_loading.gif" style="height: 186px; width: 618px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>tab_selected</code></td>
+   <td>
+    <p>The background color of the selected tab. When not in use selected tab color is set by <code>frame</code> and the <code>frame_inactive</code>.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "images": {
+  "theme_frame": "weta.png"
+},
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "tab_selected": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15883/theme-tab_selected.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>tab_text</code></td>
+   <td>
+    <p>From Firefox 59, it represents the text color for the selected tab. If <code>tab_line</code> isn't specified, it also defines the color of the selected tab line.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with those used in <code>tab_selected</code> or <code>frame</code> and  <code>frame_inactive</code>.</p>
+    </div>
+
+    <p>From Firefox 55 to 58, it is incorrectly implemented as alias for <code>"textcolor"</code></p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "images": {
+  "theme_frame": "weta.png"
+},
+  "colors": {
+     "frame": "black",
+     "tab_background_text": "white",
+     "tab_selected": "white",
+     "tab_text": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15884/theme-tab_text.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>textcolor {{Deprecated_Inline}}</code></td>
+   <td>
+    <div class="blockIndicator warning">
+    <p><code>textcolor</code> has been removed in Firefox 70. You will begin to get warnings in Firefox 65 and later if you load a theme that uses this property. Use <code>tab_background_text</code> instead.</p>
+    </div>
+
+    <p>The color of the text displayed in the header area.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "toolbar": "white",
+    "textcolor": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15885/theme-textcolor.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar</code></td>
+   <td>
+    <p>The background color for the navigation bar, the bookmarks bar, and the selected tab.</p>
+
+    <p>This also sets the background color of the "Find" bar.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "toolbar": "red",
+    "tab_background_text": "white"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15966/toolbar.png" style="height: 335px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_bottom_separator</code></td>
+   <td>
+    <p>The color of the line separating the bottom of the toolbar from the region below.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "tab_background_text": "white",
+    "toolbar_bottom_separator": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15887/theme-toolbar_bottom_separator.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_field</code></td>
+   <td>
+    <p>The background color for fields in the toolbar, such as the URL bar.</p>
+
+    <p>This also sets the background color of the <strong>Find in page</strong> field.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "tab_background_text": "white",
+    "toolbar_field": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15967/toolbar-field.png" style="height: 335px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_field_border</code></td>
+   <td>
+    <p>The border color for fields in the toolbar.</p>
+
+    <p>This also sets the border color of the <strong>Find in page</strong> field.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "toolbar": "black",
+    "tab_background_text": "white",
+    "toolbar_field": "black",
+    "toolbar_field_text": "white",
+    "toolbar_field_border": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15968/toolbar-field-border.png" style="height: 335px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_field_border_focus</code></td>
+   <td>
+    <p>The focused border color for fields in the toolbar.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "toolbar": "black",
+    "tab_background_text": "white",
+    "toolbar_field": "black",
+    "toolbar_field_text": "white",
+    "toolbar_field_border_focus": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15890/theme-toolbar_field_border_focus.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_field_focus</code></td>
+   <td>
+    <p>The focused background color for fields in the toolbar, such as the URL bar.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "toolbar": "black",
+    "tab_background_text": "white",
+    "toolbar_field": "black",
+    "toolbar_field_text": "white",
+    "toolbar_field_focus": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15891/theme-toolbar_field_focus.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_field_highlight</code></td>
+   <td>The background color used to indicate the current selection of text in the URL bar (and the search bar, if it's configured to be separate).
+    <details open><summary>See example</summary>
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "toolbar_field": "rgba(255, 255, 255, 0.91)",
+    "toolbar_field_text": "rgb(0, 100, 0)",
+    "toolbar_field_highlight": "rgb(180, 240, 180, 0.9)",
+    "toolbar_field_highlight_text": "rgb(0, 80, 0)"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="Example showing customized text and highlight colors in the URL bar" src="https://mdn.mozillademos.org/files/16632/toolbar_field_highlight.png" style="height: 289px; width: 738px;"></p>
+
+    <p>Here, the <code>toolbar_field_highlight</code> field specifies that the highlight color is a light green, while the text is set to a dark-to-medium green using <code>toolbar_field_highlight_text</code>.</p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_field_highlight_text</code></td>
+   <td>
+    <p>The color used to draw text that's currently selected in the URL bar (and the search bar, if it's configured to be separate box).</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with those used in <code>toolbar_field_highlight</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "toolbar_field": "rgba(255, 255, 255, 0.91)",
+    "toolbar_field_text": "rgb(0, 100, 0)",
+    "toolbar_field_highlight": "rgb(180, 240, 180, 0.9)",
+    "toolbar_field_highlight_text": "rgb(0, 80, 0)"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="Example showing customized text and highlight colors in the URL bar" src="https://mdn.mozillademos.org/files/16632/toolbar_field_highlight.png" style="height: 289px; width: 738px;"></p>
+
+    <p>Here, the <code>toolbar_field_highlight_text</code> field is used to set the text color to a dark medium-dark green, while the highlight color is  a light green.</p>
+   </td>
+  </tr>
+  <tr>
+  </tr>
+  <tr>
+   <td><code>toolbar_field_separator</code></td>
+   <td>
+    <p>The color of separators inside the URL bar. In Firefox 58 this was implemented as <code>toolbar_vertical_separator</code>.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "toolbar": "black",
+    "tab_background_text": "white",
+    "toolbar_field_separator": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15895/theme-toolbar_field_separator.png" style="height: 302px; width: 738px;"></p>
+
+    <p>In this screenshot, <code>"toolbar_vertical_separator"</code> is the white vertical line in the URL bar dividing the Reader Mode icon from the other icons.</p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_field_text</code></td>
+   <td>
+    <p>The color of text in fields in the toolbar, such as the URL bar. This also sets the color of text in the <strong>Find in page</strong> field.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with those used in <code>toolbar_field</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "toolbar": "black",
+    "tab_background_text": "white",
+    "toolbar_field": "black",
+    "toolbar_field_text": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15969/toolbar-field-text.png" style="height: 335px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_field_text_focus</code></td>
+   <td>
+    <p>The color of text in focused fields in the toolbar, such as the URL bar.</p>
+
+    <div class="blockIndicator note">
+    <p>Ensure the color used contrasts well with those used in <code>toolbar_field_focus</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "toolbar": "black",
+    "tab_background_text": "white",
+    "toolbar_field": "black",
+    "toolbar_field_text": "white",
+    "toolbar_field_text_focus": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15893/theme-toolbar_field_text_focus.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_text </code></td>
+   <td>
+    <p>The color of toolbar text. This also sets the color of  text in the "Find" bar.</p>
+
+    <div class="blockIndicator note">
+    <p>For compatibility with Chrome, use the alias <code>bookmark_text</code>.</p>
+    </div>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "tab_background_text": "white",
+    "toolbar": "black",
+    "toolbar_text": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15970/toolbar-text.png" style="height: 335px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_top_separator</code></td>
+   <td>
+    <p>The color of the line separating the top of the toolbar from the region above.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "tab_background_text": "white",
+    "toolbar": "black",
+    "toolbar_top_separator": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15897/theme-toolbar_top_separator.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>toolbar_vertical_separator</code></td>
+   <td>
+    <p>The color of the separator next to the application menu icon. In Firefox 58, it corresponds to the color of separators inside the URL bar.</p>
+
+    <details open><summary>See example</summary>
+
+    <pre class="brush: json notranslate">
+"theme": {
+  "colors": {
+    "frame": "black",
+    "tab_background_text": "white",
+    "toolbar": "black",
+    "toolbar_vertical_separator": "red"
+  }
+}</pre>
+    </details>
+
+    <p><img alt="" src="https://mdn.mozillademos.org/files/15898/theme-toolbar_vertical_separator.png" style="height: 302px; width: 738px;"></p>
+   </td>
+  </tr>
+ </tbody>
+</table>
+
+<h4 id="Aliases">Aliases</h4>
+
+<p>Additionally, this key accepts various properties that are aliases for one of the properties above. These are provided for compatibility with Chrome. If an alias is given, and the non-alias version is also given, then the value will be taken from the non-alias version.</p>
+
+<div class="blockIndicator warning">
+<p>Beginning Firefox 70, the following properties are removed: <code>accentcolor</code> and <code>textcolor</code>. Use <code>frame</code> and <code>tab_background_text</code> instead. Using these values in themes loaded into Firefox 65 or later will raise warnings.</p>
+</div>
+
+<table class="fullwidth-table standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Name</th>
+   <th scope="col">Alias for</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td><code>bookmark_text</code></td>
+   <td><code>toolbar_text</code></td>
+  </tr>
+  <tr>
+   <td><code>frame</code></td>
+   <td><code>accentcolor</code> <code>{{Deprecated_Inline}}</code></td>
+  </tr>
+  <tr>
+   <td><code>frame_inactive</code></td>
+   <td><code>accentcolor</code> <code>{{Deprecated_Inline}}</code></td>
+  </tr>
+  <tr>
+   <td><code>tab_background_text</code></td>
+   <td><code>textcolor</code> <code>{{Deprecated_Inline}}</code></td>
+  </tr>
+ </tbody>
+</table>
+
+<h3 id="properties">properties</h3>
+
+<table class="fullwidth-table standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Name</th>
+   <th scope="col">Type</th>
+   <th scope="col">Description</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td><code>additional_backgrounds_alignment</code></td>
+   <td>
+    <p><code>Array</code> of <code>String</code></p>
+   </td>
+   <td>
+    <p>Optional.</p>
+
+    <p>An array of enumeration values defining the alignment of the corresponding <code>"additional_backgrounds":</code> array item.<br>
+     The alignment options include:</p>
+
+    <ul>
+     <li><code>"bottom"</code></li>
+     <li><code>"center"</code></li>
+     <li><code>"left"</code></li>
+     <li><code>"right"</code></li>
+     <li><code>"top"</code></li>
+     <li><code>"center bottom"</code></li>
+     <li><code>"center center"</code></li>
+     <li><code>"center top"</code></li>
+     <li><code>"left bottom"</code></li>
+     <li><code>"left center"</code></li>
+     <li><code>"left top"</code></li>
+     <li><code>"right bottom"</code></li>
+     <li><code>"right center"</code></li>
+     <li><code>"right top"</code>.</li>
+    </ul>
+
+    <p>If not specified, defaults to <code>"right top"</code>.</p>
+   </td>
+  </tr>
+  <tr>
+   <td><code>additional_backgrounds_tiling</code></td>
+   <td>
+    <p><code>Array</code> of <code>String</code></p>
+   </td>
+   <td>
+    <p>Optional.</p>
+
+    <p>An array of enumeration values defining how the corresponding <code>"additional_backgrounds":</code> array item repeats. Options include:</p>
+
+    <ul>
+     <li><code>"no-repeat"</code></li>
+     <li><code>"repeat"</code></li>
+     <li><code>"repeat-x"</code></li>
+     <li><code>"repeat-y"</code></li>
+    </ul>
+
+    <p>If not specified, defaults to <code>"no-repeat"</code>.</p>
+   </td>
+  </tr>
+ </tbody>
+</table>
+
+<h2 id="Examples">Examples</h2>
+
+<p dir="ltr" id="docs-internal-guid-f85f22a2-6854-24d7-769b-8a47c376e2f2">A basic theme must define an image to add to the header, the accent color to use in the header, and the color of text used in the header:</p>
+
+<pre class="brush: json notranslate" dir="ltr"> "theme": {
+   "images": {
+     "theme_frame": "images/sun.jpg"
+   },
+   "colors": {
+     "frame": "#CF723F",
+     "tab_background_text": "#000"
+   }
+ }</pre>
+
+<p dir="ltr">Multiple images can be used to fill the header. Before Firefox version 60, use a blank or transparent header image to gain control over the placement of each additional image:</p>
+
+<pre class="brush: json notranslate" dir="ltr"> "theme": {
+   "images": {
+     "additional_backgrounds": [ "images/left.png" , "images/middle.png", "images/right.png"]
+   },
+   "properties": {
+     "additional_backgrounds_alignment": [ "left top" , "top", "right top"]
+   },
+   "colors": {
+     "frame": "blue",
+     "tab_background_text": "#ffffff"
+   }
+ }</pre>
+
+<p dir="ltr">You can also fill the header with a repeated image, or images, in this case a single image anchored in the middle top of the header and repeated across the rest of the header:</p>
+
+<pre class="brush: json notranslate" dir="ltr"> "theme": {
+   "images": {
+     "additional_backgrounds": [ "images/logo.png"]
+   },
+   "properties": {
+     "additional_backgrounds_alignment": [ "top" ],
+     "additional_backgrounds_tiling": [ "repeat"  ]
+   },
+   "colors": {
+     "frame": "green",
+     "tab_background_text": "#000"
+   }
+ }</pre>
+
+<p><a id="example-screenshot" name="example-screenshot">The following example uses most of the different values for <code>theme.colors</code>:</a></p>
+
+<pre class="brush: json notranslate">  "theme": {
+    "images": {
+      "theme_frame": "weta.png"
+    },
+
+    "colors": {
+       "frame": "darkgreen",
+       "tab_background_text": "white",
+       "toolbar": "blue",
+       "bookmark_text": "cyan",
+       "toolbar_field": "orange",
+       "toolbar_field_border": "white",
+       "toolbar_field_text": "green",
+       "toolbar_top_separator": "red",
+       "toolbar_bottom_separator": "white",
+       "toolbar_vertical_separator": "white"
+    }
+  }</pre>
+
+<p>It will give you a browser that looks like this:</p>
+
+<p><img alt="" src="https://mdn.mozillademos.org/files/15789/theme.png" style="display: block; height: 652px; margin-left: auto; margin-right: auto; width: 1446px;"></p>
+
+<p>In this screenshot, <code>"toolbar_vertical_separator"</code> is the white vertical line in the URL bar dividing the Reader Mode icon from the other icons.</p>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<p class="hidden">The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out <a href="https://github.com/mdn/browser-compat-data">https://github.com/mdn/browser-compat-data</a> and send us a pull request.</p>
+
+<p>{{Compat("webextensions.manifest.theme")}}</p>
+
+<h3 id="Colors">Colors</h3>
+
+<p>{{Compat("webextensions.manifest.theme.colors", 10)}}</p>
+
+<h3 id="Images">Images</h3>
+
+<p>{{Compat("webextensions.manifest.theme.images", 10)}}</p>
+
+<h3 id="Properties">Properties</h3>
+
+<p>{{Compat("webextensions.manifest.theme.properties", 10)}}</p>
+
+<h3 id="Chrome_compatibility">Chrome compatibility</h3>
+
+<p>In Chrome:</p>
+
+<ul>
+ <li><code>colors/toolbar_text</code> is not used, use <code>colors/bookmark_text</code> instead.</li>
+ <li><code>images/theme_frame</code> anchors the image to the top left of the header and if the image doesn’t fill the header area tile the image.</li>
+ <li>all colors must be specified as an array of RGB values, like this:
+  <pre class="brush: json notranslate">"theme": {
+  "colors": {
+     "frame": [255, 0, 0],
+     "tab_background_text": [0, 255, 0],
+     "bookmark_text": [0, 0, 255]
+  }
+}</pre>
+
+  <p>From Firefox 59 onward, both the array form and the CSS color form are accepted for all properties. Before that, <code>colors/frame</code> and <code>colors/tab_background_text</code> required the array form, while other properties required the CSS color form.</p>
+ </li>
+</ul>