html { box-sizing: border-box; margin: 0; padding: 0; background: black; overflow: hidden; } *, *:before, *:after { box-sizing: inherit; } body { user-select: none; -webkit-touch-callout: none; } html { font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif; font-size: 100%; } body { margin: 0; padding: 0; overflow: hidden; } main { width: 100dvw; height: 100dvh; } input[type="range"] { max-width: 80px; }