body{margin:0;padding:0;font-family:Roboto,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:#bbb;border-radius:4px}::-webkit-scrollbar-thumb:hover{background:#999}