<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title></title>
</head>
<body>
<div class="button"></div>
<style>
body {
background: url(organic-tiles.png);
}
.button {
display: block;
margin: 20px;
width: 150px;
height: 150px;
background: url(organic-tiles.png);
cursor: pointer;
border-radius: 50%;
box-shadow: 0px 4px 50px rgba(0,0,0, .25), inset 0px 2px 0px rgba(255,255,255, .6), 0 2px 0 rgba(0,0,0,.1), inset 0 0 20px rgba(0, 0, 0, .1);
transition: box-shadow 0.3s ease-in-out;
}
.button:hover {
box-shadow: inset 0 0 50px rgba(0,0,0, .15), 0px 2px 0px rgba(255,255,255, .3), inset 0 2px 0 rgba(0,0,0,.1);
}
.button::after {
content: '';
width: 150px;
height: 150px;
display: block;
opacity: .7;
background: url(plug.png) no-repeat center;
}
</style>
</body>
</html>
Простой
