.square_btn {
	display: block;
	position: relative;
	width: 80px;
	padding: 5px;
	margin: 5px;
	text-align: center;
	text-decoration: none;
	font-size:10px;
	color: #fff;
	background: #222;
}
.square_btn:hover {
	 opacity:0.8;
	 cursor: pointer;
	 text-decoration: none;
}
.slide {
	width: 650px;
	height: 295px;
	position: relative;
}

.slide .item {
	width: 650px;
	height: 295px;
	position: absolute;
	top: 0;
	left: 0;
}

.slide .item.next {
	left: 0;
	opacity: 0;
}