pinafore/src/scss/global.scss

@font-face {
  font-family: PinaforeRegular;
  src: local("BlinkMacSystemFont"),
    local("Segoe UI"),
    local("Roboto"),
    local("Oxygen-Sans"),
    local("Ubuntu"),
    local("Cantarell"),
    local("Fira Sans"),
    local("Droid Sans"),
    local("Helvetica Neue");
}

@font-face {
  font-family: PinaforeEmoji;
  src: local("Apple Color Emoji"),
    local("Segoe UI Emoji"),
    local("Segoe UI Symbol"),
    local("Twemoji Mozilla"),
    local("Noto Color Emoji"),
    local("EmojiOne Color"),
    local("Android Emoji");
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, PinaforeRegular, sans-serif;
  font-size: 14px;
  line-height: 1.4;
  color: var(--body-text-color);
  background: var(--body-bg);
  -webkit-tap-highlight-color: transparent; // fix for blue background on spoiler tap on Chrome for Android
  overflow-x: hidden; // Prevent horizontal scrolling on mobile Firefox on small screens
}

.main-content {
  contain: content; // see https://www.w3.org/TR/2018/CR-css-contain-1-20181108/#valdef-contain-content
  // these paddings should be kept in sync with getMainTopMargin.js
  @supports (-webkit-overflow-scrolling: touch) {
    // fixes iOS Safari horizontal scrolling (see https://github.com/nolanlawson/pinafore/issues/667)
    overflow-x: hidden;
  }
  padding-top: 42px;
  @media (max-width: 991px) {
    padding-top: 52px;
  }
  @media (max-width: 767px) {
    padding-top: 62px;
  }
}

main {
  position: relative;
  width: 602px;
  max-width: 100vw;
  padding: 0;
  box-sizing: border-box;
  margin: 30px auto 15px;
  background: var(--main-bg);
  border: 1px solid var(--main-border);
  border-radius: 1px;
  min-height: 70vh;
  @media (max-width: 767px) {
    margin: 5px auto 15px;
  }
}

footer {
  width: 602px;
  max-width: 100vw;
  box-sizing: border-box;
  margin: 15px auto;
  border-radius: 1px;
  background: var(--main-bg);
  font-size: 0.9em;
  padding: 20px;
  border: 1px solid var(--main-border);
}

h1, h2, h3, h4, h5, h6 {
  margin: 0 0 0.5em 0;
  font-weight: 400;
  line-height: 1.2;
}

h1 {
  font-size: 2em;
}

a {
  color: var(--anchor-text);
  text-decoration: none;

  &:visited {
    color: var(--anchor-text);
  }

  &:hover {
    text-decoration: underline;
  }

}

input {
  border: 1px solid var(--input-border);
  padding: 5px;
  box-sizing: border-box;
}

input[type=search] {
  -webkit-appearance: none; // reset Safari user agent stylesheet
}

// Fixes gray/black background when using a dark GTK theme
input, textarea {
  background: inherit;
  color: inherit;
}

textarea {
  font-family: system-ui, -apple-system, PinaforeRegular, sans-serif, PinaforeEmoji;
}

button, .button {
  font-size: 1.2em;
  background: var(--button-bg);
  border-radius: 2px;
  padding: 10px 15px;
  border: 1px solid var(--button-border);
  cursor: pointer;
  color: var(--button-text);

  &:hover {
    background: var(--button-bg-hover);
    text-decoration: none;
  }

  &:active {
    background: var(--button-bg-active);
  }

  &[disabled] {
    opacity: 0.35;
    pointer-events: none;
    cursor: not-allowed;
  }

  &.primary {
    border: 1px solid var(--button-primary-border);
    background: var(--button-primary-bg);
    color: var(--button-primary-text);

    &:hover {
      background: var(--button-primary-bg-hover);
    }

    &:active {
      background: var(--button-primary-bg-active);
    }
  }
}

p, label, input {
  font-size: 1.3em;
}

ul, li, p {
  padding: 0;
  margin: 0;
}

.hidden {
  opacity: 0;
}

*:focus {
  outline: 2px solid var(--focus-outline);
}

.container:focus {
  // the outline causes choppy rendering on Edge and isn't visible or necessary anyway
  // https://developer.microsoft.com/en-us/microsoft-edge/platform/issues/17343598/
  outline: none;
}

button::-moz-focus-inner {
  border: 0;
}

/* Firefox hacks to remove ugly red border.
   Unnecessary since it gives a warning if you submit an empty field anyway. */
input:required, input:invalid {
  box-shadow: none;
}

textarea {
  font-family: inherit;
  font-size: inherit;
  box-sizing: border-box;
}

@keyframes spin {
  0% {
    transform: rotate(0deg);
  }
  25% {
    transform: rotate(90deg);
  }
  50% {
    transform: rotate(180deg);
  }
  75% {
    transform: rotate(270deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

.spin {
  animation: spin 1.5s infinite linear;
}

.ellipsis::after {
  content: "\2026";
}

/* via https://stackoverflow.com/a/19758620 */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* this gets injected as raw HTML, so it's easiest to just define it in global.scss */
.inline-custom-emoji {
  width: 1.4em;
  height: 1.4em;
  margin: -0.1em 0;
  object-fit: contain;
  vertical-align: middle;
}

.inline-emoji {
  font-family: PinaforeEmoji, sans-serif;
}