body {
	font:2em arial;
	}
.progress {
	overflow:hidden;
	box-shadow:inset 0 2px 7px 1px rgba(0,0,0,.2);
	}
	.progress:after {
		position:relative;
		z-index:-1;
		left:inherit;
		display:block;
		content:".";
		width:100%;
		text-indent:-9999px;
		margin-left:-100%;
		background:#f00;
		}
	.progress:before {
		position: absolute;
		width:100%;
		margin-top:-1.15em;
		text-indent:100%;
		text-align:center;
		content: attr(style);
		}