.loading{position:fixed;z-index:999;height:2em;width:2em;overflow:show;margin:auto;inset:0;font-family:Arial,sans-serif}.loading:before{content:"";display:block;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#fff}.loading:not(:required){font:0/0 a;color:transparent;text-shadow:none;background-color:transparent;border:0}.loading:not(:required):after{content:"";display:block;font-size:10px;width:1em;height:1em;margin-top:-.5em;animation:spinner 1.5s infinite linear;border-radius:.5em;box-shadow:#000000bf 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}@keyframes spinner{0%{transform:rotate(0)}to{transform:rotate(360deg)}}