.loader-wrapper{position:fixed;top:0;left:0;width:100%;height:100%;z-index:9999;background-color:rgba(0,0,0,.8)}.loader{display:block;position:relative;left:50%;top:50%;width:150px;height:150px;margin:-75px 0 0 -75px;border-radius:50%;border:3px solid transparent;border-top-color:#3498db;-webkit-animation:spin 2s linear infinite;animation:spin 2s linear infinite}.loader:after,.loader:before{content:"";position:absolute}.loader:before{top:5px;left:5px;right:5px;bottom:5px;border-radius:50%;border:3px solid transparent;border-top-color:#e74c3c;-webkit-animation:spin 3s linear infinite;animation:spin 3s linear infinite}.loader:after{top:15px;left:15px;right:15px;bottom:15px;border-radius:50%;border:3px solid transparent;border-top-color:#f9c922;-webkit-animation:spin 1.5s linear infinite;animation:spin 1.5s linear infinite}@-webkit-keyframes spin{0%{-webkit-transform:rotate(0);-ms-transform:rotate(0);transform:rotate(0)}100%{-webkit-transform:rotate(360deg);-ms-transform:rotate(360deg);transform:rotate(360deg)}}@keyframes spin{0%{-webkit-transform:rotate(0);-ms-transform:rotate(0);transform:rotate(0)}100%{-webkit-transform:rotate(360deg);-ms-transform:rotate(360deg);transform:rotate(360deg)}}