#header{transition:transform .3s}#header.down{transform:translateY(-100%)}.blog_progress{background:#e5e8eb;height:8px;left:0;position:fixed;top:80px;transition:top .3s;width:100%;z-index:9999}.blog_progress.down{top:0}.blog_progress_bar{background:#1369e9;height:100%;transition:width .1s linear;width:0}@media (max-width:767px){.blog_progress{top:63px}}