.loading{display:none;z-index:999;height:2em;width:2em;overflow:show;margin:auto;bottom:0;right:0}.loading,.loading:before{position:fixed;top:0;left:0}.loading:before{content:"";display:block;width:100%;height:100%;background:radial-gradient(hsla(0,0%,8%,.8),rgba(0,0,0,.8));background:-webkit-radial-gradient(hsla(0,0%,8%,.8),rgba(0,0,0,.8))}.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 .15s linear infinite;border-radius:.5em;box-shadow:1.5em 0 0 0 hsla(0,0%,100%,.75),1.1em 1.1em 0 0 hsla(0,0%,100%,.75),0 1.5em 0 0 hsla(0,0%,100%,.75),-1.1em 1.1em 0 0 hsla(0,0%,100%,.75),-1.5em 0 0 0 hsla(0,0%,100%,.75),-1.1em -1.1em 0 0 hsla(0,0%,100%,.75),0 -1.5em 0 0 hsla(0,0%,100%,.75),1.1em -1.1em 0 0 hsla(0,0%,100%,.75)}@keyframes spinner{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}