.certificate-bg{margin-bottom:-30vw;position:relative;top:-30vw;z-index:0}.certificate-bg:before{background:linear-gradient(180deg,#0c2178,rgba(12,33,120,0));content:"";height:13vw;left:0;position:absolute;right:0;top:0;z-index:2}.certificate-bg img{height:auto;max-width:100%;position:relative;width:100%;z-index:0}