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/*** COLOR SCHEME ***/
:root {
color-scheme: light dark;
--b: #ededed;
--f: #121212;
--a: #0000ff;
--l: #7f7f7f;
}
/* Invert the colors in dark mode, including for some images */
@media only screen and (prefers-color-scheme: dark) {
:root {
--b: #121212;
--f: #ededed;
--a: #ffff00;
--l: #7f7f7f;
}
.darkinv {
filter: invert(100%);
}
}
html {
color: #121212;
color: var(--f);
background: #ededed;
background: var(--b);
}
/*** BASIC STRUCTURE ***/
/* Increase font size on mobile Firefox. I don't like this kind
* of specific fix, but the font is ridiculously small for me. */
@supports (-moz-appearance: none) {
@media only screen and (hover: none) and (pointer: coarse) {
html {
font-size: 200%
}
}
}
body {
/* Improve consistency between systems */
font-family: sans-serif;
line-height: 1.5;
-webkit-text-size-adjust: none;
text-size-adjust: none;
/* Center text and limit its width */
max-width: 80ch;
padding: 1ch;
margin: auto;
}
/* Basic layout: header, article, footer */
#header {
display: block;
height: 3rem;
font-size: 2.1rem;
position: relative; /* for `#nav' */
}
#article {
display: block;
margin: 1rem 0;
}
#footer {
display: block;
}
/* Ensure that `body' padding applies to bottom of `#footer' too */
#footer:after {
content: "";
display: block;
clear: both;
}
/*** COMMON TAGS ***/
h1 {
text-align: center;
font-size: 2.1rem;
}
h2 {
text-align: center;
font-size: 1.8rem;
}
h3 {
text-align: center;
font-size: 1.5rem;
}
h4 {
text-align: center;
font-size: 1.2rem;
font-style: italic;
}
a {
background-color: transparent; /* normalize.css */
text-decoration: none;
color: #0000ff;
color: var(--a);
}
img {
border-style: none; /* normalize.css */
display: block;
max-width: 100%;
height: auto;
margin: auto;
}
table {
margin: auto;
}
td {
padding: 0 1.5rem;
}
/* TODO: this rule fixes code font on Firefox and Chromium,
* but currently messes with code snippets a bit too much. */
/*code, pre {
font-family: monospace, monospace;
font-size: 1em;
}*/
/*** HEADER & FOOTER ***/
/* Break footer into multiple lines on narrow screens */
@media only screen and (max-width: 69ch) {
#footer > div {
width: 100%;
}
}
/* Only highlight header/footer links on hover/click */
.no-hl-a a:link,
.no-hl-a a:visited {
color: #121212;
color: var(--f);
}
.no-hl-a a:hover,
.no-hl-a a:focus,
.no-hl-a a:active {
color: #0000ff;
color: var(--a);
}
/* Push header/footer elements to edges of body */
.align-l {
float: left;
text-align: left;
}
.align-r {
float: right;
text-align: right;
}
/* Visual separator between header, article and footer */
hr {
border-top: 2px solid;
border-color: #7f7f7f;
border-color: var(--l);
border-bottom: none;
}
/*** NAVIGATION ***/
/* Don't let `#nav-list` affect surroundings */
#nav {
position: absolute;
top: 0;
right: 0;
}
/* Not a real link, so don't highlight it */
#nav-show {
color: #121212;
color: var(--f);
}
/* Submenu hidden until interaction, then appears on top.
* Delay disappearance to hide flicker on mobile Firefox. */
#nav-list {
visibility: hidden;
max-height: 0;
transition-delay: 0.3s;
position: relative;
z-index: 1;
border: 2px solid;
background: #ededed;
background: var(--b);
}
/* Unhide on hover, click, and Tab-key focus */
#nav:hover > #nav-list,
#nav:focus-within > #nav-list,
#nav-show:hover + #nav-list,
#nav-show:focus + #nav-list,
#nav-show:active + #nav-list {
visibility: visible;
max-height: 9999px;
transition-delay: 0s;
}
/* For the entries in `#nav-list' */
.nav-entry {
padding: 0 0.5rem 0.2rem 0.5rem;
}
.nav-entry + .nav-entry {
border-top: 2px solid;
border-color: #7f7f7f;
border-color: var(--l);
}
.nav-entry-name {
font-size: 2rem;
}
.nav-entry-desc {
font-size: 1rem;
}
/*** COLLAPSIBLE BOXES ***/
.collapse-hidden {
display: none;
}
/* Invisible checkbox, toggled by clicking label */
.collapse-toggle {
display: none;
}
.collapse > label,
.collapse-starts + p > label {
color: #0000ff;
color: var(--a);
cursor: pointer;
}
/* When the checkbox is ticked, hide label and show contents */
.collapse-toggle:checked + label {
display: none;
}
.collapse-toggle:checked + label + .collapse-hidden {
display: block;
}
.collapse-starts + p {
margin-top: 0;
}
/* Visual differentiator for collapsible proofs */
.proof {
padding: 0.25rem 0.5rem;
border: 3px dotted;
}
/*** MATHS TWEAKS ***/
/* Prevent vertical overflow, allow horizontal scrolling */
.katex-display {
padding-top: 0.25rem;
overflow-x: auto;
overflow-y: hidden;
}
/* Don't allow line breaks in inline formulas */
p > .katex {
white-space: nowrap;
}
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