grafana/public/sass/components/_timepicker.scss

.nav.gf-timepicker-nav {
  margin-right: 0;
}

.timepicker-timestring {
  font-weight: normal;
}

.gf-timepicker-nav-btn {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.gf-timepicker-dropdown {
  margin: -5px -10px 10px 5px;
  padding: 10px 20px;
  float: right;
  background-color: $panel-bg;
  @include box-shadow($navbarDropdownShadow);
}

.gf-timepicker-absolute-section {
  width: 300px;
  float: left;
  border-right: 1px solid $divider-border-color;
  padding: 0 0 0 20px;
  select {
    width: 183px;
    margin-bottom: 0;
  }
}

.gf-timepicker-btn-apply {
  margin: 0 0 0 15px;
}

.gf-timepicker-utc {
  background-color: $tight-form-func-bg;
  color: $orange;
  font-size: 75%;
  padding: 3px;
  border-radius: 2px;
  font-weight: bold;
  margin-left: 4px;
}

.gf-timepicker-relative-section {
  padding: 0 20px 0 30px;
  min-height: 258px;
  float: left;
  ul {
    list-style: none;
    float: left;
    margin: 0 30px 10px 0px;
    li {
      line-height: 22px;
    }
    li.active {
      border-bottom: 1px solid $blue;
      margin: 3px 0;
      font-weight: bold;
    }
  }
}

.gf-timepicker-component {
  margin-bottom: 10px;
  button.btn-sm {
    @include buttonBackground($btnInverseBackground, $btnInverseBackgroundHighlight);
    background-image: none;
    border: none;
    padding: 6px 9px;
    color: $text-color;
    &.active span {
      color: $blue;
      font-weight: bold;
    }
    .text-info {
      color: $orange;
      font-weight: bold;
    }
  }
}

.input-datetime-format {
  color: $link-color-disabled
}