html{scroll-behavior:smooth}*{font-family:'Helvetica Neue',Helvetica,Arial,'Lucida Grande',sans-serif}::-webkit-scrollbar{width:4px;padding-right:4px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#888}::-webkit-scrollbar-thumb:hover{background:#555}