.btn { display: block; position: relative; background: #aaa; padding: 5px; float: left; color: #fff; text-decoration: none; cursor: pointer; }
.btn * {
	font-style: normal;
	background-image: url(../images/backgrounds/btn2.png);
	background-repeat: no-repeat;
	display: block;
	position: relative;
}
  .btn i { background-position: top left; position: absolute; margin-bottom: -5px; top: 0; left: 0; width: 5px; height: 5px; }
  .btn span { background-position: bottom left; left: -5px; padding: 0 0 5px 10px; margin-bottom: -5px; }
  .btn span i { background-position: bottom right; margin-bottom: 0; position: absolute; left: 100%; width: 10px; height: 100%; top: 0; }
  .btn span span { background-position: top right; position: absolute; right: -10px; margin-left: 10px; top: -5px; height: 0; }
  * html .btn span, * html .btn i { float: left; width: auto; background-image: none; cursor: pointer; }
.btn.blue {
	margin-right: 10px;
	background-color: #004d73;
}
.btn.green { background: #9d4; }
.btn.pink { background: #e1a; }
.btn:hover {
	background-color: #0f85bf;
}
.btn:active { background-color: #444; }
.btn[class] {background-image: url(../images/backgrounds/shade.png);
	background-position: bottom; }