*{margin:0;padding:0;box-sizing:border-box}#root{height:100vh;width:100%}.header{grid-area:header}.main{grid-area:main;display:flex}.footer{grid-area:footer;min-height:40px;padding:1rem 0}.sidebar{grid-area:sidebar;padding:1rem;overflow:auto}::-webkit-scrollbar{width:8px}::-webkit-scrollbar-thumb{background-color:#bfbfbf;border-radius:4px}