We would like to know how to change another element on :hover.
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
.sibling-hover, #parent {<!--from w w w .ja v a2 s. co m-->
cursor: pointer;
}
.sibling-hover:hover ~ .sibling-highlight {
background-color: red;
color: white;
}
#parent:hover .parent-highlight {
background-color: red;
color: white;
}
</style>
</head>
<body>
<b>sibling method:</b>
<div>
<div class="sibling-hover">hover over me</div>
<div>I do nothing</div>
<div>I do nothing</div>
<div class="sibling-highlight">I get highlighted</div>
</div>
<b>child method:</b>
<div id="parent">
<div>hover over me</div>
<div>hover over me</div>
<div>hover over me</div>
<div class="parent-highlight">I get highlighted</div>
</div>
</body>
</html>
The code above is rendered as follows: