.loading{position:fixed;z-index:999;overflow:show;margin:auto;inset:0;width:60px;height:60px}.loading:before{content:"";display:block;position:fixed;top:0;left:0;width:100%;height:100%;background-color:#fff6}.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:5px solid #470037;border-radius:100%;border-bottom-color:transparent;animation:spinner 1s linear 0s infinite}@keyframes spinner{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.course-details{height:100%;background-size:contain}