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@media(max-width:390px){.hero-art{display:none}.hero{grid-template-columns:1fr}.hero h1{font-size:32px}.lesson-grid{grid-template-columns:1fr}.answers{grid-template-columns:1fr}.match-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.streak-pill{padding:7px 9px;font-size:10px}}
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