.loading{bottom:0;height:2em;margin:auto;overflow:visible;right:0;width:2em;z-index:999}.loading,.loading:before{left:0;position:fixed;top:0}.loading:before{background-color:#bbb;content:"";display:block;height:100%;width:100%}.loading:not(:required){background-color:transparent;border:0;color:transparent;font:0/0 a;text-shadow:none}.loading:not(:required):after{animation:spinner 1.5s linear infinite;border-radius:.5em;box-shadow:1.5em 0 #000000bf,1.1em 1.1em #000000bf,0 1.5em #000000bf,-1.1em 1.1em #000000bf,-1.5em 0 #000000bf,-1.1em -1.1em #000000bf,0 -1.5em #000000bf,1.1em -1.1em #000000bf;content:"";display:block;font-size:.05208rem;height:1em;margin-top:-.5em;width:1em}@keyframes spinner{0%{transform:rotate(0)}to{transform:rotate(1turn)}}