
.item{
	position: relative;
	padding: 15rpx 15rpx;
}
.item:after{
	    position: absolute;
	        top: 0;
	        left: 0;
	        box-sizing: border-box;
	        width: 200%;
	        height: 200%;
	        border-right: 1px solid rgba(0,0,0,.1);
	        border-bottom: 1px solid rgba(0,0,0,.1);
	        border-radius: inherit;
	        content: " ";
	        -webkit-transform: scale(.5);
	        transform: scale(.5);
	        -webkit-transform-origin: 0 0;
	        transform-origin: 0 0;
	        pointer-events: none;
}

