<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
<html> | |
<head> | |
<style> | |
body { margin: 0px; } | |
.outer { | |
margin: -100px; | |
width: 400px; | |
height: 500px; | |
background-color: green; | |
} | |
.outer:hover { | |
background-color: red; | |
} | |
.inner { | |
visibility: hidden; | |
width: 100%; | |
height: 50%; | |
background-color: cyan; | |
} | |
</style> | |
</head> | |
<body> | |
<div class="outer" | |
onmouseover="firstChild.style.visibility='visible'" | |
onmouseout="firstChild.style.visibility='hidden'"><div class="inner"></div></div> | |
</body> | |
</html> |