.backdrop{width:100%;height:100%;position:fixed;z-index:1500;background-color:rgba(0,0,0,.6)}.loading{height:0;width:0;padding:15px;border:6px solid #ccc;border-right-color:#888;border-radius:22px;animation:rotate 1s infinite linear;-webkit-animation:rotate 1s infinite linear;-moz-animation:rotate 1s infinite linear;-o-animation:rotate 1s infinite linear;position:absolute;left:50%;top:50%}@keyframes rotate{100%{transform:rotate(360deg)}}@-webkit-keyframes rotate{100%{-webkit-transform:rotate(360deg)}}@-moz-keyframes rotate{100%{-moz-transform:rotate(360deg)}}@-o-keyframes rotate{100%{-o-transform:rotate(360deg);}}