body { font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"; padding: 0 1rem 1rem 1rem; max-width: 680px; margin: 0 auto; background: #fff; color: var(--color-text); } li, p { line-height: 1.5rem; } a { font-weight: 500; } hr { border: 1px solid #ddd; } iframe { background: #ccc; border: 1px solid #ccc; height: 10rem; width: 100%; border-radius: 0.5rem; filter: invert(1); }