.working{overflow:hidden;pointer-events:none;position:relative}.working:before{-webkit-backdrop-filter:blur(1px) grayscale(.2);backdrop-filter:blur(1px) grayscale(.2);background-color:#eaeaea4f;bottom:0;content:"";left:0;position:absolute;right:0;top:0}.working:after{background:#fff;border:1px #ccc;border-radius:4px;box-shadow:0 2px 10px -3px #a0a0a0;content:"Working...";left:50%;padding:15px 30px;position:absolute;text-align:center;top:50%;transform:translate(-50%,-50%)}