.screen-loading{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9999;display:flex;flex-direction:column;justify-content:center;align-items:center;width:100%;height:100%;background-color:#333;color:#fff;text-align:center}.screen-loading:before{margin-bottom:1rem;width:40px;height:40px;border:4px solid #fff;border-top-color:transparent;border-radius:50%;content:"";animation:rotate 1s linear infinite}@-moz-keyframes rotate{to{transform:rotate(1turn)}}@-webkit-keyframes rotate{to{transform:rotate(1turn)}}@-o-keyframes rotate{to{transform:rotate(1turn)}}@keyframes rotate{to{transform:rotate(1turn)}}