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    <p>You'll want to put the radio buttons in <code>label</code>s and apply the background styling to the label primarily (you can also add styling to the radio buttons themselves, but remember that their text is a separate element). Unfortunately, since CSS doesn't have the <code>:contains</code> pseudo-class that was discussed at one point (because of performance concerns), you will be forced to throw a bit of JavaScript at it.</p> <p>Example (<a href="http://jsbin.com/ujibid" rel="nofollow">live copy</a>):</p> <p>CSS:</p> <pre><code>label.highlight { background-color: yellow; /* Or whatever, obviously */ } input[type=radio] { /* Styles you want applied to the radio buttons when *not* selected */ } label.highlight input[type=radio] { /* ...any styles you want applied to the radio button when it's selected; this is more broadly cross-compatible than :checked, sadly */ } </code></pre> <p>HTML:</p> <pre><code>&lt;label&gt;&lt;input type='radio' name='foo' value='1'&gt; One&lt;/label&gt; &lt;br&gt;&lt;label&gt;&lt;input type='radio' name='foo' value='2'&gt; Two&lt;/label&gt; &lt;br&gt;&lt;label&gt;&lt;input type='radio' name='foo' value='3'&gt; Three&lt;/label&gt; </code></pre> <p>JavaScript using jQuery:</p> <pre><code>jQuery(function($) { $("input:radio").click(function() { if (this.checked) { $("label.highlight").removeClass("highlight"); $(this).closest("label").addClass("highlight"); } }); }); </code></pre> <p>Obviously, you'll want to narrow those selectors a bit for your actual markup, as the above will apply to all radio buttons on the page...</p> <p>That works by styling the radio buttons themselves in one way when they aren't inside a <code>label</code> with class <code>highlight</code>, and a different way when they are. Then you simply toggle the <code>highlight</code> class on the <code>label</code> when the radio button is clicked, and CSS takes care of the rest, styling both the <code>label</code> (to get the background color/image) and the radio button (if you want to do fancy checkmarks).</p>
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    1. POHow to apply CSS(background image) to radiobutton when it clicks?
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    1. UST.J. Crowder
    1. UST.J. Crowder
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    1. COI have two different sets of radio buttons on one page, how would I modify the jQuery so I can use `highlight` within each set.
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      1. USalenm
    2. CO@neuone: Just add a `[name="name_here"]` [attribute 'equals' selector](http://api.jquery.com/attribute-equals-selector/) to it.
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    3. COIn my rails app I have code like this `<%= f.radio_button :role_id, role.id %>` which produces a radio button like this `<label><input id="posting_role_id_2" name="posting[role_id]" type="radio" value="2">Admin</label>`. In your suggestion am I supposed to write it out like this `[name="posting[role_id]"]`
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