body{overscroll-behavior-y:none;overscroll-behavior-x:none;-webkit-user-select:none;user-select:none;margin:0}body *{box-sizing:border-box;flex-shrink:0}::-webkit-scrollbar{width:4px;height:4px}::-webkit-scrollbar-track{background-color:#fff}::-webkit-scrollbar-thumb{background-color:#91d2f3cc}::-webkit-scrollbar-corner{background-color:#0000}::-webkit-resizer{background-color:#0000}.controller{color:#ff000080;border-bottom:1px solid #eee}.controller:hover{color:#600;border-bottom:1px solid #22f}