.banner-home{z-index:9}.banner-home img{width:100%}.same-ratio{position:relative}.same-ratio:after{content:'';display:block;padding-top:49.69%}.same-ratio-content{overflow:hidden;position:absolute;top:0;bottom:0;right:0;left:0}@media all and (max-width:768px){.same-ratio:after{padding-top:49.69%}}