Code:
<style>
.hoverme { background: #ccc; width: 300px; height: 100px;}
.hoverme:hover { background: #f33; }
</style>
<div class="hoverme">test
test
<a href="http://google.com/">Google</a>
test
</div>
It is the same as doing an <a> tag, you just apply the hover styling to the block you want.