.box_slider{position: relative;z-index: 10;}
#center-container{width: 100%;margin: 4px;margin-left: 0px;}
.quangcao1{width: calc(44% - 4px);float: right;}
.quangcao1 .item{
    display: inline-block;
    width: calc( 50% - 3px);
    position: relative;
    margin-bottom: -7px;
    margin-top: 5px;
}
.quangcao1 .item .layer{
	position: absolute;
	top: 0px;
	left: 0px;
	width: 100%;
	height: 100%;
	background: rgba(0, 0, 0, 0.46);
	color: #fff;
	padding: 20px;
}
.quangcao1 .item .layer .title{
    font-family: Tahoma;
    font-weight: bold;
}
.quangcao1 .item .layer .name{
    text-transform: uppercase;
    font-size: 30px;
    margin: 4px 0px;
}
.quangcao1 .item .layer .shopnow{
    display: inline-block;
    border: solid 1px;
    padding: 5px 20px;
}
.quangcao1 .item:hover .shopnow{border-color: #ff0; color: #ff0;}