PoorBooru/public/css/style.css

/*
 * PoorBooru - Poorman's booru
 *
 * Written in 2023 by Lucas
 *
 * To the extent possible under law, the author(s) have dedicated all
 * copyright and related and neighboring rights to this software to the
 * public domain worldwide. This software is distributed without any
 * warranty.
 *
 * You should have received a copy of the CC0 Public Domain Dedication
 * along with this software. If not, see
 * <http://creativecommons.org/publicdomain/zero/1.0/>.
 */
/*
 * Some parts copied from https://piccalil.li/blog/a-modern-css-reset/
 */

:root {
  --dark-theme-bg: #0c0700;
  --dark-theme-text: #fff8f0;
  --dark-theme-accent: #ec57bc;
  --dark-theme-accent-hover: #f7be00;

  --light-theme-bg: #fff8f0;
  --light-theme-text: #0c0700;
  --light-theme-accent: #dc3a23;
  --light-theme-accent-hover: #4997ce;

  --bg: var(--dark-theme-bg);
  --text: var(--dark-theme-text);
  --accent: var(--dark-theme-accent);
  --accent-hover: var(--dark-theme-accent-hover);

  --viewport-width: 60rem;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

dd,
dl,
dt,
h1,
h2,
p {
  margin: 0;
}

body {
  margin: 0 auto;
  min-height: 100vh;
  background-color: var(--bg);
  color: var(--text);
  font-family: monospace;
  font-size: 1.25rem;
  line-height: 2.4;
}

body > header {
  border-bottom: 0.0625rem solid var(--accent);
  margin-bottom: 0.1875rem;
}

body > main {
  padding-top: 1.5rem;
  border-top: 0.0625rem solid var(--accent);
  border-bottom: 0.0625rem solid var(--accent);
}

body > footer {
  border-top: 0.0625rem solid var(--accent);
  margin-top: 0.1875rem;
}

dl,
h1,
h2,
p {
  margin-bottom: 1.5rem;
}

footer > p {
  margin-bottom: 0;
}

h1 {
  text-align: center;
  font-size: 3rem;
  line-height: 2;
}

h2 {
  font-size: 2.5rem;
  line-height: 1.2;
}

a,
a:link,
a:visited {
  color: var(--accent);
}

a:hover,
a:active {
  color: var(--accent-hover);
}

img {
  max-width: 100%;
  height: auto;
}

dt {
  font-weight: bold;
}

dd {
  margin-left: 3rem;
}

.viewport {
  margin-left: auto;
  margin-right: auto;
  width: var(--viewport-width);
}

.border-top {
  border-top: 0.0625rem solid var(--accent);
}

.border-bottom {
  border-bottom: 0.0625rem solid var(--accent);
}

.text-center {
  text-align: center;
}

.text-small {
  font-size: 1rem;
  line-height: 3;
}

.main-nav {
  gap: 0 1rem;
}

.main-nav > a {
  font-weight: bold;
  text-decoration: none;
}

/* 0.5rem padding compensates the unused 1rem gap at the end. */
.gallery {
  align-items: center;
  gap: 1rem;
  padding: 0 0.5rem;
}

.gallery > a,
.gallery > a:link,
.gallery > a:visited {
  line-height: 0;

  max-height: 24rem;
  max-width: 14rem;

  outline-offset: 0.1875rem;
  outline: 0.0625rem solid;
  outline-color: var(--accent);
}

.gallery > a:hover,
.gallery > a:active {
  outline-color: var(--accent-hover);
}

.flex-c-horizontal {
  display: flex;
}

.flex-c-vertical {
  display: flex;
  flex-direction: column;
}

.flex-c-center {
  display: flex;
  justify-content: center;
  align-items: center;
}

.flex-c-wrap {
  flex-wrap: wrap;
}

.flex-i-fullsize {
  flex: auto;
}

@media screen and (max-width: 30rem) {
  :root {
    --viewport-width: 100%;
  }
}

@media screen and (min-width: 30rem) {
  :root {
    --viewport-width: 30rem;
  }
}

@media screen and (min-width: 45rem) {
  :root {
    --viewport-width: 45rem;
  }
}

@media screen and (min-width: 60rem) {
  :root {
    --viewport-width: 60rem;
  }
}

@media screen and (min-width: 90rem) {
  :root {
    --viewport-width: 90rem;
  }
}