html { height: 100%; font-size: 10px; } body { background-color: black; margin: 0; padding: 0; font-family: sans-serif; height: 100%; } #root { height: 100%; } body .github-fork-ribbon:before { background-color: #333; } @media screen and (max-width: 400px) { .github-fork-ribbon { display: none; } } @media (min-width: 400px) and (min-height: 400px) { html { font-size: 20px; } } @media (min-width: 500px) and (min-height: 500px) { html { font-size: 30px; } } @media (min-width: 600px) and (min-height: 600px) { html { font-size: 40px; } } @media (min-width: 800px) and (min-height: 800px) { html { font-size: 50px; } }