aboutsummaryrefslogtreecommitdiff
path: root/files/tr/web/css/_colon_focus/index.html
diff options
context:
space:
mode:
Diffstat (limited to 'files/tr/web/css/_colon_focus/index.html')
-rw-r--r--files/tr/web/css/_colon_focus/index.html117
1 files changed, 117 insertions, 0 deletions
diff --git a/files/tr/web/css/_colon_focus/index.html b/files/tr/web/css/_colon_focus/index.html
new file mode 100644
index 0000000000..3ee30adbae
--- /dev/null
+++ b/files/tr/web/css/_colon_focus/index.html
@@ -0,0 +1,117 @@
+---
+title: ':focus'
+slug: 'Web/CSS/:focus'
+tags:
+ - ':focus'
+ - CSS
+ - Layout
+ - Pseudo-class
+ - Reference
+ - Selector
+ - Web
+translation_of: 'Web/CSS/:focus'
+---
+<div>{{CSSRef}}</div>
+
+<p>The <strong><code>:focus</code></strong> <a href="/en-US/docs/Web/CSS">CSS</a> <a href="/en-US/docs/Web/CSS/Pseudo-classes" title="Pseudo-classes">pseudo-class</a> represents an element (such as a form input) that has received focus. It is generally triggered when the user clicks or taps on an element or selects it with the keyboard's <kbd>Tab</kbd> key.</p>
+
+<pre class="brush: css no-line-numbers notranslate">/* Selects any &lt;input&gt; when focused */
+input:focus {
+ color: red;
+}</pre>
+
+<div class="blockIndicator note">
+<p><strong>Note:</strong> This pseudo-class applies only to the focused element itself. Use {{CSSxRef(":focus-within")}} if you want to select an element that <em>contains</em> a focused element.</p>
+</div>
+
+<h2 id="Syntax">Syntax</h2>
+
+<pre class="syntaxbox notranslate">{{CSSSyntax}}</pre>
+
+<h2 id="Examples">Examples</h2>
+
+<h3 id="HTML">HTML</h3>
+
+<pre class="brush: html no-line-numbers notranslate">&lt;input class="red-input" value="I'll be red when focused."&gt;&lt;br&gt;
+&lt;input class="blue-input" value="I'll be blue when focused."&gt;</pre>
+
+<h3 id="CSS">CSS</h3>
+
+<pre class="brush: css highlight[1, 6] notranslate">.red-input:focus {
+ background: yellow;
+ color: red;
+}
+
+.blue-input:focus {
+ background: yellow;
+ color: blue;
+}</pre>
+
+<h3 id="Result">Result</h3>
+
+<p>{{EmbedLiveSample("Examples")}}</p>
+
+<h2 id="Accessibility_concerns">Accessibility concerns</h2>
+
+<p>Make sure the visual focus indicator can be seen by people with low vision.  This will also benefit anyone use a screen in a brightly lit space (like outside in the sun). <a href="https://www.w3.org/WAI/WCAG21/Understanding/non-text-contrast.html">WCAG 2.1 SC 1.4.11 Non-Text Contrast</a> requires that the visual focus indicator be at least 3 to 1.</p>
+
+<ul>
+ <li>Accessible Visual Focus Indicators: <a href="https://www.deque.com/blog/give-site-focus-tips-designing-usable-focus-indicators/">Give Your Site Some Focus! Tips for Designing Useful and Usable Focus Indicators</a></li>
+</ul>
+
+<h3 id="focus_outline_none"><code>:focus { outline: none; }</code></h3>
+
+<p>Never just remove the focus outline (visible focus indicator) without replacing it with a focus outline that will pass <a href="https://www.w3.org/WAI/WCAG21/Understanding/non-text-contrast.html">WCAG 2.1 SC 1.4.11 Non-Text Contrast</a>.</p>
+
+<ul>
+ <li>Quick Tip: <a href="https://a11yproject.com/posts/never-remove-css-outlines/">Never remove CSS outlines</a></li>
+</ul>
+
+<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("HTML WHATWG", "scripting.html#selector-focus", ":focus")}}</td>
+ <td>{{Spec2("HTML WHATWG")}}</td>
+ <td>Defines HTML-specific semantics.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName("CSS4 Selectors", "#focus-pseudo", ":focus")}}</td>
+ <td>{{Spec2("CSS4 Selectors")}}</td>
+ <td>No change.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName("CSS3 Selectors", "#the-user-action-pseudo-classes-hover-act", ":focus")}}</td>
+ <td>{{Spec2("CSS3 Selectors")}}</td>
+ <td>No change.</td>
+ </tr>
+ <tr>
+ <td>{{SpecName("CSS2.1", "selector.html#dynamic-pseudo-classes", ":focus")}}</td>
+ <td>{{Spec2("CSS2.1")}}</td>
+ <td>Initial definition.</td>
+ </tr>
+ </tbody>
+</table>
+
+<h2 id="Browser_compatibility">Browser compatibility</h2>
+
+<div>
+
+
+<p>{{Compat("css.selectors.focus")}}</p>
+</div>
+
+<h2 id="See_also">See also</h2>
+
+<ul>
+ <li>{{CSSxRef(":focus-visible")}} {{Experimental_Inline}}</li>
+ <li>{{CSSxRef(":focus-within")}}</li>
+</ul>