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+---
+title: Альтернативні таблиці стилів
+slug: Web/CSS/Альтернативні_таблиці_стилів
+tags:
+  - Стилі
+  - Теми
+translation_of: Web/CSS/Alternative_style_sheets
+---
+<p>Specifying <strong>alternative style sheets</strong> in a web page provides a way for users to see multiple versions of a page, based on their needs or preferences.</p>
+
+<p>Firefox lets the user select the stylesheet using the View &gt; Page Style submenu, Internet Explorer also supports this feature (beginning with IE 8), also accessed from View &gt; Page Style (at least as of IE 11), but Chrome requires an extension to use the feature (as of version 48). The web page can also provide its own user interface to let the user switch styles.</p>
+
+<h2 id="An_example_specifying_the_alternative_stylesheets">An example: specifying the alternative stylesheets</h2>
+
+<p>The alternate stylesheets are commonly specified using a {{HTMLElement("link")}} element with <code>rel="stylesheet alternate"</code> and <code>title="..."</code> attributes, for example:</p>
+
+<pre class="eval">&lt;link href="reset.css" rel="stylesheet" type="text/css"&gt;
+
+&lt;link href="default.css" rel="stylesheet" type="text/css" title="Default Style"&gt;
+&lt;link href="fancy.css" rel="alternate stylesheet" type="text/css" title="Fancy"&gt;
+&lt;link href="basic.css" rel="alternate stylesheet" type="text/css" title="Basic"&gt;
+</pre>
+
+<p>In this example, the styles "Default Style", "Fancy", and "Basic" will be listed in the Page Style submenu, with the Default Style pre-selected. When the user selects a different style, the page will immediately be re-rendered using that style sheet.</p>
+
+<p>No matter what style is selected, the rules from the reset.css stylesheet will always be applied.</p>
+
+<h3 id="Try_it_out">Try it out</h3>
+
+<p><a href="/samples/cssref/altstyles/index.html">Click here</a> for a working example you can try out.</p>
+
+<h2 id="Details">Details</h2>
+
+<p>Any stylesheet in a document falls into one of the following categories:</p>
+
+<ul>
+ <li><strong>Persistent</strong> (no <code>rel="alternate"</code>, no <code>title=""</code>): always applies to the document.</li>
+ <li><strong>Preferred</strong> (no <code>rel="alternate"</code>, with <code>title="..."</code> specified): applied by default, but {{domxref("StyleSheet.disabled", "disabled", "", 1)}} if an alternate stylesheet is selected. <strong>There can only be one preferred stylesheet</strong>, so providing stylesheets with different title attributes will cause some of them to be ignored. See <a href="/en-US/docs/Correctly_Using_Titles_With_External_Stylesheets">Correctly Using Titles With External Stylesheets</a> for a more detailed discussion.</li>
+ <li><strong>Alternate</strong> (<code>rel="stylesheet alternate"</code>, <code>title="..."</code> must be specified): disabled by default, can be selected.</li>
+</ul>
+
+<p>When style sheets are referenced with a <code>title</code> attribute on the {{HTMLElement("link", "&lt;link rel=\"stylesheet\"&gt;")}} or {{HTMLElement("style")}} element, the title becomes one of the choices offered to the user. Style sheets linked with the same <code>title</code> are part of the same choice. Style sheets linked without a <code>title</code> attribute are always applied.</p>
+
+<p>Use <code>rel="stylesheet"</code> to link to the default style, and <code>rel="alternate stylesheet"</code> to link to alternative style sheets. This tells the browser which style sheet title should be selected by default, and makes that default selection apply in browsers that do not support alternate style sheets.</p>
+
+<h2 id="Specifications">Specifications</h2>
+
+<table class="standard-table">
+ <thead>
+  <tr>
+   <th scope="col">Specification</th>
+   <th scope="col">Status</th>
+   <th scope="col">Comment</th>
+  </tr>
+ </thead>
+ <tbody>
+  <tr>
+   <td>{{SpecName('CSSOM', '#css-style-sheet-collections', 'CSS Style Sheet Collections')}}</td>
+   <td>{{Spec2('CSSOM')}}</td>
+   <td>The CSS OM specification defines the concepts of the <strong>style sheet set name</strong>, its <strong>disabled flag</strong>, and the <strong>preferred CSS style sheet set name</strong>.<br>
+    It defines how these are determined, and lets the HTML specification define the HTML-specific behaviors by requiring it to define when to <strong><dfn>create a CSS style sheet</dfn></strong>.</td>
+  </tr>
+  <tr>
+   <td>
+    <p>{{SpecName('HTML WHATWG', 'semantics.html#link-type-stylesheet', 'Link type "stylesheet"')}}<br>
+     {{SpecName('HTML WHATWG', 'semantics.html#attr-style-title', 'The style element')}}<br>
+     {{SpecName('HTML WHATWG', 'semantics.html#attr-meta-http-equiv-default-style', 'Default style state (http-equiv="default-style")')}}</p>
+   </td>
+   <td>{{Spec2('HTML WHATWG')}}</td>
+   <td>The HTML specification defines when and how the <strong><dfn>create a CSS style sheet</dfn></strong><dfn> algorithm is invoked while handling &lt;link&gt; and &lt;style&gt; elements, and also defines the behavior of <code>&lt;meta </code></dfn><code>http-equiv="default-style"&gt;</code>.</td>
+  </tr>
+  <tr>
+   <td>{{SpecName("HTML4.01", "present/styles.html#h-14.3", "Alternative style sheets")}}</td>
+   <td>{{Spec2("HTML4.01")}}</td>
+   <td>Earlier, the HTML specification itself defined the concept of preferred and alternate stylesheets.</td>
+  </tr>
+ </tbody>
+</table>
+
+<p> </p>