summary { grid-column: content; } summary { display: flex; align-items: baseline; line-height: 1.2; gap: 0 1ch; cursor: pointer; list-style: none; font-weight: bold; font-size: var(--size-step-1); } summary:hover, summary:focus-visible { color: var(--color-primary-shade); } summary::before { content: '+'; display: block; color: var(--color-primary); font-family: var(--font-mono); font-size: var(--size-step-0); font-weight: normal; line-height: 0.5; margin-inline-start: -2ch; transform: scale(1.4); transform-origin: right bottom; } [open] summary::before { content: '-'; } /* Hide default marker */ summary::-webkit-details-marker, summary::marker { content: ''; display: none; } summary + * { margin-block-start: var(--space-xs) }