html.js #page_loader{width:100%;height:100%;background:#fff;display:block;content:"";z-index:100;position:fixed;left:0;top:0}body.loading{cursor:progress;overflow:hidden}body.loading #page_loader .spinner:after{content:"";box-sizing:border-box;width:50px;height:50px;position:absolute;top:calc(50% - 20px);left:calc(50% - 20px);border-radius:50%;border:3px solid rgb(0,0,0);border-right:3px solid rgba(0,0,0,0);animation:spinner .8s ease-in-out infinite}body.loading .ch2{display:none}@keyframes spinner{to{transform:rotate(360deg)}}