<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
.ribbon {
background-color: #a00;
overflow: hidden;
/* top left corner */
position: absolute;
left: -3em;
top: 2.5em;
/* 45 deg ccw rotation */
-moz-transform: rotate(-45deg);
-webkit-transform: rotate(-45deg);
/* shadow */
-moz-box-shadow: 0 0 1em #888;
-webkit-box-shadow: 0 0 1em #888;
}
.ribbon a {
border: 1px solid #faa;
color: #fff;
display: block;
font: bold 81.25% 'Helvetiva Neue', Helvetica, Arial, sans-serif;
margin: 0.05em 0 0.075em 0;
padding: 0.5em 3.5em;
text-align: center;
text-decoration: none;
/* shadow */
text-shadow: 0 0 0.5em #444;
}
</style>
</head>
<body>
<div class="ribbon">
<a></a>
</div>
</body>
</html>