.loaderbg{position:absolute;top:0;left:0;z-index:256;width:100%;height:100%;background-color:#757575;opacity:.5}.loader{position:absolute;left:calc(50% - 60px);top:calc(50% - 60px);border:16px solid #f3f3f3;border-top:16px solid red;border-bottom:16px solid red;border-radius:50%;width:120px;height:120px;animation:spin 2s linear infinite}@keyframes spin{0%{transform:rotate(0)}100%{transform:rotate(360deg)}}