.loading {    position: fixed;    top: 0; right: 0;    bottom: 0; left: 0;    background: #fff;	opacity: 0.85;}.loader {    left: 50%;    margin-left: -4em;    font-size: 10px;    border: .8em solid rgba(218, 219, 223, 1);    border-left: .8em solid rgba(58, 166, 165, 1);    animation: spin 1.1s infinite linear;}.loader, .loader:after {    border-radius: 50%;    width: 8em;    height: 8em;    display: block;    position: absolute;    top: 50%;    margin-top: -4.05em;}@keyframes spin {  0% {    transform: rotate(360deg);  }  100% {    transform: rotate(0deg);  }}