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POConfused by CSS pseudo-class :active
 

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  1. POConfused by CSS pseudo-class :active
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    <p>I was looking <a href="http://www.w3schools.com/css/sel_active.asp" rel="nofollow">here</a> at CSS :active Selector.</p> <blockquote> <p>The :active selector styles links to active pages</p> </blockquote> <p>That got me thinking, what the heck is an 'active page' in HTML/CSS terminology...</p> <p>At this point I went to the <a href="http://www.w3.org/TR/CSS2/selector.html#dynamic-pseudo-classes" rel="nofollow">w3docs</a> Section : 5.11.3 The dynamic pseudo-classes: :hover, :active, and :focus.</p> <blockquote> <p>The :active pseudo-class applies while an element is being activated by the user. For example, between the times the user presses the mouse button and releases it.</p> </blockquote> <p>So I used one of the <a href="http://www.w3schools.com/CSS/tryit.asp?filename=trycss_sel_active" rel="nofollow">w3shools try it pages</a> and hack together an example, substituting the following code, which you can just cut &amp; paste and try. </p> <pre class="lang-html prettyprint-override"><code>&lt;html&gt; &lt;head&gt; &lt;style type="text/css"&gt; :focus,:active { outline-offset: 10px; outline: solid; } &lt;/style&gt; &lt;/head&gt; &lt;body&gt; &lt;p&gt;Click the links to see the background color become yellow:&lt;/p&gt; &lt;a href="http://www.w3schools.com"&gt;w3schools.com&lt;/a&gt; &lt;a href="http://www.wikipedia.org"&gt;wikipedia.org&lt;/a&gt; &lt;button type="button"&gt;Click Me!&lt;/button&gt; &lt;form&gt; &lt;input type="text"/&gt; &lt;/form&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>The form field works for :focus. But the button or links don't work for :active. </p> <p>Why is that? Is there something about 'active page' I'm not understanding that w3schools talked about.</p> <p>I saw this <a href="http://www.mstudiostalk.com/2008/03/11/pure-css-to-display-the-active-page-in-the-navigation/" rel="nofollow">nice tip</a> when Googling for it, but I don't think it's related.</p>
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