body{overflow:hidden;overflow-x:hidden}body:after{background:#fff;content:"";height:100vh;left:0;position:fixed;top:0;transition:1s;width:100vw;z-index:9999}@keyframes loading{0%{background:linear-gradient(90deg,hsla(0,0%,100%,0) 1%,#fff);opacity:1}to{opacity:0}}body.is-active{overflow:inherit;overflow-x:hidden}body.is-active:after{animation:loading 1s ease-in-out 1 forwards;background:transparent}body.is-hide:after{content:none}