html {
    max-width: 70ch;
    padding: 1em;
    margin: auto;
    line-height: 1.75;
    font-size: 1.25em;
}
h1,h2,h3,h4,h5,h6 {
    margin: 1.5em 0 1em;
    z-index: 10;
}
p,ul,ol {
    margin-bottom: 2em;
    font-family: sans-serif;
}
li {
    margin-bottom: 1em;
}
#grouch, #grid {
    position: fixed;
    bottom: 0;
    right: 0;
    width: 45%;
    max-width: 640px;
    image-rendering: pixelated;
    image-rendering: -moz-crisp-edges;
    image-rendering: crisp-edges;
    opacity: 0.5;
    z-index: -10;
}
@media (prefers-color-scheme: dark) {
    html {
        background: #121212; /* Darker shade for background in dark mode */
        color: #E0E0E0; /* Light grey for text in dark mode */
    }
    a {
        color: #76C790; /* Complementary green for links in dark mode */
    }
}
@media (prefers-color-scheme: light) {
    html {
        background: #eee; /* Lighter shade for background in light mode */
        color: #1d1d1d; /* Darker text for better contrast in light mode */
    }
    a {
        color: #0b3d91; /* Default link color for light mode */
    }
}
.back-link {
    display: inline-block;
    margin-bottom: 1rem;
    color: #666;
    text-decoration: none;
}
.back-link:hover {
    color: #333;
    text-decoration: underline;
}
.back-link::before {
    content: "←";
    margin-right: 0.5rem;
}