.sample{padding:0px; margin: 0px; width: 300px; height: 230px; margin-bottom: 20px;}
.sample1{padding:0px; margin: 0px; width: 750px; height: 230px; margin-bottom: 20px;}


#cont{width:300px; margin:0px; background:#fff;}
#cont1{width:750px; margin:0px; background:#fff; height: 270px}

.buttons{display: none; padding: 0px; margin: 0px;}
.buttons span{color:#000; cursor:pointer; font:10px Verdana}
/* .buttons span.active, .buttons span:hover{background:#0080FF;color:#fff} */


#box2{position:absolute;}

#box2 span{display:block; float:left;}


.mask2{
	position:relative;
	width:300px;
	height:200px;
	overflow:hidden;}

span img{
	display:block;
	border:none;
}



.mask3{
	position:relative;
	width:750px;
	height:230px;
	overflow:hidden;}