.loading{position:fixed;z-index:999;overflow:visible;margin:auto;top:0;left:0;bottom:0;right:0;width:50px;height:50px}.loading:before{content:'';display:block;position:fixed;top:0;left:0;width:100%;height:100%;background-color:rgba(255,255,255,.5)}.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:50px;height:50px;margin-top:-.5em;border:15px solid rgba(0,114,151,1);border-radius:100%;border-bottom-color:transparent;-webkit-animation:spinner 1s linear 0s infinite;animation:spinner 1s linear 0s infinite}@-webkit-keyframes spinner{0%{-webkit-transform:rotate(0deg);-moz-transform:rotate(0deg);-ms-transform:rotate(0deg);-o-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg);-moz-transform:rotate(360deg);-ms-transform:rotate(360deg);-o-transform:rotate(360deg);transform:rotate(360deg)}}@-moz-keyframes spinner{0%{-webkit-transform:rotate(0deg);-moz-transform:rotate(0deg);-ms-transform:rotate(0deg);-o-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg);-moz-transform:rotate(360deg);-ms-transform:rotate(360deg);-o-transform:rotate(360deg);transform:rotate(360deg)}}@-o-keyframes spinner{0%{-webkit-transform:rotate(0deg);-moz-transform:rotate(0deg);-ms-transform:rotate(0deg);-o-transform:rotate(0deg);transform:rotate(0deg);}100%{-webkit-transform:rotate(360deg);-moz-transform:rotate(360deg);-ms-transform:rotate(360deg);-o-transform:rotate(360deg);transform:rotate(360deg);}}@keyframes spinner{0%{-webkit-transform:rotate(0deg);-moz-transform:rotate(0deg);-ms-transform:rotate(0deg);-o-transform:rotate(0deg);transform:rotate(0deg)}100%{-webkit-transform:rotate(360deg);-moz-transform:rotate(360deg);-ms-transform:rotate(360deg);-o-transform:rotate(360deg);transform:rotate(360deg)}}