gab-social/app/javascript/styles/gabsocial/emoji_picker.scss

.emoji-mart {

  &,
  * {
    box-sizing: border-box;
    line-height: 1.15;
  }

  font-size: 13px;
  display: inline-block;
  color: $inverted-text-color;

  .emoji-mart-emoji {
    padding: 6px;
  }
}

.emoji-mart-bar {{
  border: 0 solid darken($ui-secondary-color, 8%);

  &:first-child {
    border-bottom-width: 1px;
    border-top-left-radius: 5px;
    border-top-right-radius: 5px;
    background: $ui-secondary-color;
  }

  &:last-child {
    border-top-width: 1px;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
    display: none;
  }
}

.emoji-mart-anchors {
  padding: 0 6px;
  color: $lighter-text-color;
  line-height: 0;

  @include flex(space-between);
}

.emoji-mart-anchor {
  position: relative;
  flex: 1;
  text-align: center;
  padding: 12px 4px;
  overflow: hidden;
  transition: color .1s ease-out;
  cursor: pointer;

  &:hover {
    color: darken($lighter-text-color, 4%);
  }
}

.emoji-mart-anchor-selected {
  color: $highlight-text-color;

  &:hover {
    color: darken($highlight-text-color, 4%);
  }

  .emoji-mart-anchor-bar {
    bottom: -1px;
  }
}

.emoji-mart-anchor-bar {
  background-color: $highlight-text-color;

  @include size(100%, 4px);
  @include abs-position(auto, auto, -5px, 0);
}

.emoji-mart-anchors {
  i {
    display: inline-block;
    width: 100%;
    max-width: 22px;
  }

  svg {
    fill: currentColor;
    max-height: 18px;
  }
}

.emoji-mart-scroll {
  overflow-y: scroll;
  height: 270px;
  max-height: 35vh;
  padding: 0 6px 6px;
  background: $simple-background-color;
  will-change: transform;

  &::-webkit-scrollbar-track:hover,
  &::-webkit-scrollbar-track:active {
    background-color: rgba($base-overlay-background, 0.3);
  }
}

.emoji-mart-search {
  padding: 10px 45px 10px 10px;
  background: $simple-background-color;

  input {
    padding: 7px 9px;
    font-family: inherit;
    display: block;
    width: 100%;
    background: rgba($ui-secondary-color, 0.3);
    color: $inverted-text-color;

    @include text-sizing(14px, 400);
    @include border-design($ui-secondary-color, 1px, 4px);

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

    &::-moz-focus-inner,
    &:focus,
    &:active {
      outline: 0 !important;
    }
  }
}

.emoji-mart-category .emoji-mart-emoji {
  cursor: pointer;

  span {
    z-index: 1;
    position: relative;
    text-align: center;
  }

  &:hover::before {
    z-index: 0;
    background-color: rgba($ui-secondary-color, 0.7);
    border-radius: 100%;

    @include pseudo;
    @include size(100%);
    @include abs-position(0, auto, auto, 0, false);
  }
}

.emoji-mart-category-label {
  z-index: 2;
  position: relative;
  position: -webkit-sticky;
  position: sticky;
  top: 0;

  span {
    display: block;
    width: 100%;
    font-weight: 500;
    padding: 5px 6px;
    background: $simple-background-color;
  }
}

.emoji-mart-emoji {
  position: relative;
  display: inline-block;
  font-size: 0;

  span {
    @include size(22px);
  }
}

.emoji-mart-no-results {
  font-size: 14px;
  text-align: center;
  padding-top: 70px;
  color: $light-text-color;

  .emoji-mart-category-label {
    display: none;
  }

  .emoji-mart-no-results-label {
    margin-top: .2em;
  }

  .emoji-mart-emoji:hover::before {
    content: none;
  }
}

.emoji-mart-preview {
  display: none;
}