nightTab/css/base.css

:root {
  --black: 0, 0, 0;
  --white: 255, 255, 255;
  --gray-01: 38, 40, 49;
  --gray-02: 47, 51, 62;
  --gray-03: 57, 62, 75;
  --gray-04: 67, 73, 88;
  --gray-05: 77, 84, 101;
  --gray-06: 87, 95, 114;
  --gray-07: 97, 106, 127;
  --gray-08: 107, 117, 140;
  --gray-09: 117, 128, 153;
  --gray-10: 127, 139, 166;
  --gray-11: 137, 151, 180;
  --gray-12: 149, 162, 187;
  --gray-13: 162, 173, 195;
  --gray-14: 174, 184, 203;
  --gray-15: 187, 195, 211;
  --gray-16: 199, 206, 218;
  --gray-17: 212, 217, 226;
  --gray-18: 224, 228, 234;
  --gray-19: 237, 239, 242;
  --gray-20: 250, 250, 250;
  --accent: 0, 255, 0;
  --root-font-size: 14px;
  --radius: 0.2em;
  --line-width: 0.2em;
  --background: rgb(var(--gray-01));
  --gutter: 0.5em;
  --animation-speed-fast: 0.2s;
  --animation-speed-medium: 0.4s;
  --animation-speed-slow: 0.6s;
  --font-regular: "Open Sans Regular", sans-serif;
  --font-bold: "Open Sans Bold", sans-serif;
  --font-light: "Open Sans Light", sans-serif;
  --font-fjalla: "Fjalla One Regular", sans-serif;
  --z-index-background: 1000;
  --z-index-link: 2000;
  --z-index-header: 3000;
  --z-index-tip: 4000;
  --z-index-shade: 5000;
  --z-index-modal: 6000;
  --z-index-menu: 7000;
  --header-shade-color: transparent;
  --header-shade-opacity: none;
  --header-height: 0;
  --header-shade-padding: 4;
  --background-image: none;
  --background-opacity: 1;
  --background-accent-opacity: 0;
  --background-blur: 0;
  /* breakpoint reference */
  /* can not be used in @media as of yet */
  --breakpoint-sm: 550px;
  --breakpoint-md: 700px;
  --breakpoint-lg: 900px;
  --breakpoint-xl: 1100px;
  --breakpoint-xxl: 1600px;
}

:root.is-bookmarks-style-block {
  --link-height: 7em;
  --url-height: 20%;
  --edit-height: 30%;
}

:root.is-bookmarks-style-list {
  --link-height: 4em;
  --url-height: 30%;
  --edit-height: 50%;
}

@media (min-width: 700px) {
  :root {
    --root-font-size: 16px;
  }

  :root.is-bookmarks-style-block {
    --link-height: 9em;
  }
}

::selection {
  background-color: rgb(var(--accent));
  color: rgb(var(--white));
}

html {
  font-size: var(--root-font-size);
}

body {
  background-color: var(--background);
  color: rgb(var(--white));
  font-size: 1rem;
  line-height: 1.6;
  font-family: var(--font-regular);
  display: flex;
  flex-direction: column;
  height: 100vh;
}

.is-menu-open body {
  overflow: hidden;
}

.is-header-alignment-vertical-top body {
  justify-content: flex-start;
}

.is-header-alignment-vertical-center body {
  justify-content: center;
}

.is-header-alignment-vertical-bottom body {
  justify-content: flex-end;
}

.is-bookmarks-show-link body {
  display: inherit;
  height: inherit;
}