.ztAdvantage{position:relative;width:100%;height:calc(100% - 38px);height:-webkit-calc(100% - 38px);}
	.ztAdvantage .section{position:absolute;top:0;left:0;display:block;background:url(00.jpg) center center no-repeat;background-size:100% 100%;height:100%;width:100%;}
	.ztAdvantage .section .imga{padding:4.16667%;}
	@media only screen and (max-width:320px) {
		.ztAdvantage .section .imga{padding:2.7778% 4.16667% 0;}
	}