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4px;font-size:10px}.rules-dialog>.primary-button{width:100%}.story-copy{color:var(--muted);margin:24px 0;font-size:13px;line-height:1.85}.story-copy p+p{margin-top:16px}.story-illustration{width:min(100%,260px);height:auto;margin:20px auto;display:block}.story-copy .story-author{color:var(--ink);font-weight:600}.story-copy a{text-underline-offset:3px}@media (width<=900px){.site-header.has-appearance{flex-wrap:wrap;row-gap:12px}.has-appearance .header-tools{justify-content:flex-end;width:100%}}.flat-board{min-height:455px;padding:35px 0 10px}.flat-faces{flex-wrap:wrap;justify-content:center;gap:12px;display:flex}.flat-face{flex:1;min-width:140px;max-width:185px}.flat-face-label{color:var(--muted);align-items:center;gap:6px;margin-bottom:8px;font-size:11px;display:flex}.flat-grid{border:2px solid var(--face-grid);background:var(--face-color);border-radius:8px;grid-template-columns:repeat(3,1fr);display:grid;overflow:hidden}.selected-flat-face .flat-grid{box-shadow:0 0 0 2px color-mix(in 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