/*banner*/

.banner{

	width: 100%;

	min-width: 1200px;

	height: 340px;

}

.banner>div.active{

	opacity: 1;

}

.banner>div{

	transition: all 0.2s;

	opacity: 0;

	position: absolute;

	width: 100%;

	min-width: 1200px;

	height: 340px;

}