:root{--system-fonts: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol"}html,body{margin:0;padding:0;width:100%;height:100%;font-family:var(--system-fonts);-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;-webkit-text-size-adjust:100%;font-size:16px;font-weight:400;line-height:1.5;color:#333}h1,h2,h3,h4,h5,h6,strong,b{font-weight:700;-webkit-font-smoothing:subpixel-antialiased}