megaupload,
тупой что ли
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Документ без названия</title>
</head>
<body>
<style>
.but_into {
width: 100px;
height: 100px;
background: black;
-webkit-transition: background 0.5s ease;
}
.but_into:hover {
background: red;
}
</style>
Наведи
<div class='but_into'></div>