html{font-family:Arial,Helvetica}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}.hero{width:100vw;height:100vh;position:relative}.hero div{position:absolute;top:0;left:0}.hero .logo-bg{width:100%;height:100vh;z-index:1}.hero .logo{height:100%;z-index:2}.header{position:sticky;top:0;left:0;right:0;z-index:999;background-color:#fff;display:flex;flex-direction:row;border-bottom:1px solid rgba(0,0,0,.2);padding:12px;height:72px}