:root{--nav-height:86px}.banner{width:100%;height:100vh;background-image:linear-gradient(rgba(0,0,0,.5),rgba(21,20,26,1)),url(/logo.jpg);background-repeat:no-repeat;background-size:cover;background-attachment:fixed;background-position:50%;position:absolute;top:0;z-index:0}.bannercontent{width:100%;height:calc(100vh - var(--nav-height));-webkit-backdrop-filter:blur(10px) saturate(180%);backdrop-filter:blur(10px) saturate(180%);background-color:rgba(0,0,0,.1);z-index:1}