.loading{display:inline-block;position:relative}.loading::before{content:"Loading";color:#666;font-family:Arial,Helvetica,sans-serif;font-size:28px;letter-spacing:2px;display:inline-block;animation:floating 1s ease-out infinite alternate}.loading::after{content:"";width:100%;height:10px;background:rgba(0,0,0,0.15);position:absolute;left:0;top:100%;filter:blur(4px);border-radius:50%;animation:loading-animation 1s ease-out infinite alternate}@keyframes floating{0%{transform:translateY(0)}100%{transform:translateY(-25px)}}@keyframes loading-animation{0%{transform:scale(0.8)}100%{transform:scale(1.2)}}.explain{display:none}.wrap-box{position:fixed;top:50%;left:50%;transform:translate(-50%,-50%)}