.shimmer{position:relative;overflow:hidden;background:rgba(255,255,255,.05);border:1px solid rgba(0,0,0,.2)}.shimmer:after{content:"";position:absolute;top:0;left:0;right:0;bottom:0;background:linear-gradient(90deg,transparent,rgba(0,0,0,.2),transparent);animation:shimmer 2s infinite}@keyframes shimmer{0%{transform:translateX(-100%)}to{transform:translateX(100%)}}