#app,*{margin:0}*{padding:0}.knowledge-tag-btn{transition:all .3s cubic-bezier(.4,0,.2,1)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:#f1f1f1;border-radius:3px}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}