.loader{align-items:center;background:#333;display:flex;height:100vh;justify-content:center;left:0;position:fixed;top:0;transition:opacity .75s,visibility .75s;width:100vw}.loader--hidden{opacity:0;visibility:hidden}.loader:after{animation:loading .75s ease infinite;border:15px solid #ddd;border-radius:50%;border-top-color:#009578;content:"";height:75px;width:75px}@keyframes loading{0%{transform:rotate(0turn)}to{transform:rotate(1turn)}}