.examination {
    /*position: absolute;*/
    top: 340px;
    left: 20px;
    position: fixed;
    width: 170px;
    height: 170px;
}

.examinationLink {
	display:block;
	width: 170px;
    height: 170px;
    background: url(images/bg.png) no-repeat center;    
}

.examinationClose {
	position:absolute;
	top:20px;
	right:0px;
	width:20px;
	height:20px;
	background: url(images/down.png) no-repeat ; 	
}

.examinationClose:hover {
	background: url(images/normal.png) no-repeat ; 		
}

a {
    text-decoration: none;
}

* {
    padding: 0px;
    margin: 0px;
    font-family: "微软雅黑";
}