@font-face {
    font-family: "Berkeley Mono";
    src: url("fonts/BerkeleyMono-Regular.woff2") format("woff2"),
	url("fonts/BerkeleyMono-Regular.woff") format("woff");
    font-weight: normal;
    font-style: normal;
    font-display: optional;
}

@font-face {
    font-family: "Berkeley Mono";
    src: url("fonts/BerkeleyMono-Italic.woff2") format("woff2"),
	url("fonts/BerkeleyMono-Italic.woff") format("woff");
    font-weight: normal;
    font-style: italic;
    font-display: optional;
}

@font-face {
    font-family: "Berkeley Mono";
    src: url("fonts/BerkeleyMono-Bold.woff2") format("woff2"),
	url("fonts/BerkeleyMono-Bold.woff") format("woff");
    font-weight: bold;
    font-style: normal;
    font-display: optional;
}

@font-face {
    font-family: "Berkeley Mono";
    src: url("fonts/BerkeleyMono-BoldItalic.woff2") format("woff2"),
	url("fonts/BerkeleyMono-BoldItalic.woff") format("woff");
    font-weight: bold;
    font-style: italic;
    font-display: optional;
}

:root {
    --measure: 60ch;
}

:root {
    --fg: #000000;
    --bg: #ffffff;
    --grey: #595959;
    --highlight: #721045;
}

@media (prefers-color-scheme: dark) {
    :root {
	--fg: #ffffff;
	--bg: #000000;
	--grey: #595959;
	--highlight: #feacd0;
    }
}

html {
    background-color: var(--bg);
}

h1 {
    font-size: 1.5rem;
}

h2 {
    font-size: 1.2rem;
}

hr {
    color: var(--fg);
}

body>header {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
    margin-bottom: 1em;
}

nav.div {
    display: block;
    float: right;
}

nav a + a {
    margin-left: 0.33em;
}

body {
    margin: auto;
    padding: 1rem 5% 1rem 5%;
    width: min(90%, var(--measure));
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    font-size: 1rem;
    color: var(--fg);
    hyphens: auto;
}

code {
    font-family: "Berkeley Mono", monospace;
    font-size: 87.5%;
}

blockquote {
  border-left: 0.2rem solid var(--grey);
  margin: 0;
  padding-left: 1em;
}

pre {
    border-width: 0.2rem 0 0.2rem 0;
    border-color: var(--grey);
    border-style: solid;
    padding: 1rem;
    overflow: auto;
}

img {
    object-fit: contain;
    width: 100%;
}

a {
    color: var(--highlight);
    text-decoration: underline;
}

a:hover {
    text-decoration: none;
}

/* From https://accessibility.oit.ncsu.edu/it-accessibility-at-nc-state/developers/accessibility-handbook/mouse-and-keyboard-events/skip-to-main-content/ */
a.skip-main {
    position: absolute;
    left: -9999px;
    background-color: #000;
    color: #fff;
    padding: 0.25em 1em;
    border-radius: 16px;
    border: 4px solid yellow;
    text-align: center;
    font-size: 1.25em;
}

a.skip-main:focus,
a.skip-main:active { left: auto; }

::-webkit-scrollbar {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--grey);
}

html {
    scrollbar-color: var(--grey) var(--bg);
}