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@media(max-width:719px){.dv-grid{grid-template-columns:1fr}.dv-controls,.dv-display{padding:24px}.dv-vertical{font-size:24px}}
@media(max-width:599px){body[data-lesson^="4N2-"] .hero-copy h1{font-size:30px}body[data-lesson^="4N2-"] .hero-art{display:block;text-align:center;padding:26px 18px}body[data-lesson^="4N2-"] .art-equation{justify-content:center;font-size:22px}body[data-lesson^="4N2-"] .art-note{display:block;line-height:1.9}body[data-lesson^="4N2-"] #question-nav{display:grid;grid-template-columns:repeat(4,44px)}body[data-lesson^="4N2-"] .practice-header{align-items:flex-start}.dv-controls,.dv-display{padding:22px 18px}.dv-display h3{font-size:21px}.dv-grid article{padding:20px}.dv-vertical{font-size:22px}.dv-buttons button{font-size:15px}}
@media print{.dv-controls{display:none}.dv-grid article,.dv-vertical{break-inside:avoid}}

.dv-vertical .dv-rule{display:inline-block;border-top:1.5px solid currentColor;height:0;vertical-align:middle}.dv-rule-1{width:calc(1ch + .12em)}.dv-rule-2{width:calc(2ch + .24em)}.dv-rule-3{width:calc(3ch + .36em)}

.dv-map-link{display:inline-flex;min-height:44px;align-items:center;line-height:1.8;margin:12px 12px 0 0;color:var(--copper-deep)}.dv-controls>h3{font-size:22px;line-height:1.8;margin:22px 0}