zblm.css

html {
    margin: auto;
    max-width: 52rem;
    font-family: "Noto Serif", Georgia, serif;
    background: #020;
    color: #090
}
a {color: #c80; text-decoration: none; text-underline-offset: 0.125em; text-decoration-thickness: 0.75px}
a:hover {color: #ba0}
body {overflow-x: hidden}
h2 {font-size: 1.125rem}
pre, blockquote {overflow-x: auto; background: #030; padding: 1em}
blockquote {margin: 0; border-left: 0.75em solid}
blockquote > * {margin: 0 0.25em 0.25em;}
code {font-size: 1rem}
pre code {font-size: 0.9rem}
ul, ol {padding-left: 1em}
hr {border: 0.75px solid}
figure, img, video {width: 100%; max-width: 640px}
@media print {#header, #footer {display: none} h1 {margin-top: 0}}