.clear-float{visibility:hidden;opacity:0;width:100%;height:1px}.markdown-viewer{width:100%;display:flex;background:#fff;position:relative}.markdown-viewer .menu{position:fixed;top:110px;width:400px;font-size:30px;left:30px;height:85vh;overflow:hidden;cursor:pointer}.markdown-viewer .menu:hover{overflow-y:scroll}.html-body{width:calc(100% - 400px);margin-left:400px}