.loader{position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.3);display:flex;justify-content:center;align-items:center}.lds-dual-ring{display:inline-block;width:3rem;height:3rem}.lds-dual-ring:after{content:" ";display:block;width:2.5em;height:2.5em;margin:8px;border-radius:50%;border:2px solid #fff;border-color:#fff transparent #fff transparent;animation:lds-dual-ring 1.2s linear infinite}@keyframes lds-dual-ring{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}