#bbs-progress{position:fixed;top:115px;left:0;width:100%;height:5px;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background-color:transparent;z-index:10}progress::-webkit-progress-bar{background-color:transparent}@media(max-width:768px){#bbs-progress{top:107px}}@media(max-width:479px){#bbs-progress{top:86.156px}}