change div background color when radio button selected
div.entry {
position: relative;
padding: 8px;
width: 50%;
}
div.entry div.highlight {
background-color: #fff;
position: absolute;
z-index: -1;
top: 0px;
right: 0px;
bottom: 0px;
left: 0px;
}
div.entry input:checked ~ div.highlight {
background-color: orange;
}
<div class="entry">
<input type="radio" name="list" />This is one option
<div class="highlight"></div>
</div>
<div class="entry">
<input type="radio" name="list" />This is another option
<div class="highlight"></div>
</div>
<div class="entry">
<input type="radio" name="list" />This is a third option
<div class="highlight"></div>
</div>