*{margin:0;padding:0}a{text-decoration:none;color:#fff}.react-codemirror2{flex:1 1 auto;margin-top:0;height:100%;position:relative}.CodeMirror{position:absolute;inset:0;height:100%!important}.header{z-index:100;position:relative}.menu-list{position:fixed!important;left:0;top:0;width:158px;height:100vh;background-color:#263238;padding-top:70px!important}