html, body { height: 100%; } body { background-color: darkblue; background: url('../img/stars.png'); font-size: 1rem; text-align: center; color: white; line-height: 1.5; font-family: serif; image-rendering: pixelated; } hr { display: none; } a { color: #0f0; } h1 { border-bottom: 4px double yellow; color: yellow; } img { height: auto; max-width: 100%; } pre, code { margin: auto; font-family: monospace; background: black; color: greenyellow; padding: 8px; max-width: min-content; display: block; overflow-x: auto; overflow-y: hidden; }