.pre-loading-div{background-color:#fff9;height:100%;width:100%;position:fixed;display:flex;z-index:3000;top:0;left:0}.pre-loading{width:100%;height:5px;background:var(--bg-color-content);position:relative;overflow:hidden}.pre-loading-bar{height:100%;background:var(--main-color);position:absolute;animation:progress 3s normal;animation-fill-mode:forwards}@keyframes progress{0%{width:0}to{width:100%}}@-webkit-keyframes progress{0%{width:0}to{width:100%}}