@charset "utf-8";
h1 {
	font-size:100%;
	}
.dom {
	margin:10px;
	float:left;
	width:200px;
	height:100px;
	opacity: 0.5;/* chrome,safari,opera */
	-moz-opacity: 0.5;/* firefox */
	filter:alpha(opacity=50);/* IE */
	}