.overlay {left: 0;top: 0;width: 100%;height: 100%;position: fixed;background: #222;background: rgba(0,0,0,0.8);z-index: 999999;}
.overlay__inner {left: 0;top: 0;width: 100%;height: 100%;position: absolute;}
.overlay__content {left: 50%;position: absolute;top: 50%;transform: translate(-50%, -50%);text-align: center;}
.spinner {width: 75px;height: 75px;display: inline-block;border-width: 2px;border-color: rgba(255, 255, 255, 0.05);border-top-color: #fff;animation: spin 1s infinite linear;border-radius: 100%;border-style: solid;}
@keyframes spin {100% {transform: rotate(360deg);}}