* {
	margin:0;
	padding:0;
}

.zy {
	width:1000px;
	margin:0 auto;
}
.demo {
	background:#333;
	position:relative;
	width:462px;
	overflow:hidden;
	box-shadow:0 0 33px #e4e2e2;
	-webkit-box-shadow:0 0 33px #e4e2e2;
	-moz-box-shadow:0 0 33px #e4e2e2;
	float:left;
	margin:10px;
}
.box {
	width:412px;
	background:#fff;
	padding:25px;
	overflow:hidden;
	cursor:default;
}
.box:hover {
	opacity:0.2;
	-webkit-transition:all 0.5s;
	-moz-transition:all 0.5s;
	-o-transition:all 0.5s;
	transition:all 0.5s;
}
.box_l {
	float:left;
	margin-right:10px;
}
.box_l img {
	width:100px;
	height:100px;
}
.box_r {
	float:left;
}
.box_r span {
	padding-bottom:5px;
	display:block;
	font-size:16px;
	font-weight:bold;
}
.buttons {
	position:absolute;
	z-index:999;
	opacity:1;
	top:10px;
	left:10px;
	width:250px;
	top:60px;
	left:50%;
	margin-left:-100px;
}
.buttons a {
	height:20px;
	background:#ff0000;
	text-align:center;
	line-height:20px;
	border:1px solid transparent;
	border-radius:20px;
	padding:5px 20px;
	color:#fff;
	display:block;
	float:left;
	margin:0 5px;
	display:none;
}