vault/ui/app/styles/core/buttons.scss

$button-box-shadow-standard: 0 3px 1px 0 rgba($black, 0.12);

.button {
  background-color: $grey-lightest;
  border: 1px solid $grey-light;
  box-shadow: $box-shadow-low;
  color: $ui-gray-800;
  display: inline-block;
  font-size: $size-small;
  font-weight: $font-weight-semibold;
  height: 2.5rem;
  line-height: 1.6;
  min-width: 6rem;
  padding: $size-10 $size-8;
  text-decoration: none;
  transition: background-color $speed, border-color $speed, box-shadow $speed, color $speed;
  vertical-align: middle;

  &.is-icon {
    padding: 0.25rem $size-3;
  }

  &:active,
  &.is-active,
  &:focus,
  &.is-focused {
    border-color: darken($grey-light, 10%);
    box-shadow: $button-box-shadow-standard;
    color: darken($grey-dark, 10%);
  }

  &.is-inverted.is-outlined {
    box-shadow: none;
  }

  &.is-transparent {
    color: currentColor;
    background: none;
    border: none;
    box-shadow: none;
    min-width: auto;
    padding: 0;
  }
  &.is-flat {
    min-width: auto;
    border: none;
    box-shadow: none;
  }

  @each $name, $pair in $colors {
    $color: nth($pair, 1);
    @if $name == 'primary' {
      $color: $blue;
    }
    $color-invert: nth($pair, 2);

    &.is-#{$name} {
      border-color: darken($color, 2%);
      background-color: $color;
      color: $color-invert;

      &:hover:not([disabled]),
      &.is-hovered {
        background-color: darken($color, 5%);
        border-color: darken($color, 5%);
        box-shadow: $box-shadow-middle;
      }

      &:active,
      &.is-active {
        background-color: darken($color, 10%);
        border-color: darken($color, 10%);
        box-shadow: $box-shadow-middle;
      }

      &:focus,
      &.is-focused {
        border-color: darken($color, 10%);
        box-shadow: $button-box-shadow-standard;
      }

      &.is-outlined {
        border-color: $color;
        color: $color;
        background-color: transparent;

        &.is-important {
          border-color: $color;
        }

        &:hover,
        &.is-hovered,
        &:focus,
        &.is-focused {
          background-color: transparent;
          border-color: darken($color, 10%);
          color: $color;
        }

        &:active,
        &.is-active {
          background-color: transparent;
          border-color: darken($color, 10%);
          color: darken($color, 10%);
        }
      }

      &.is-underlined {
        &:active,
        &.is-active {
          background-color: transparent;
          border-bottom: 2px solid darken($color, 10%);
          border-radius: unset;
          color: darken($color, 10%);
        }
      }

      &.is-inverted.is-outlined {
        border-color: rgba($color-invert, 0.5);
        color: rgba($color-invert, 0.9);

        &:hover,
        &.is-hovered,
        &:focus,
        &.is-focused {
          background-color: transparent;
          border-color: $color-invert;
          color: $color-invert;
        }

        &:active,
        &.is-active {
          background-color: rgba($color-invert, 0.2);
          border-color: $color-invert;
          color: $color-invert;
          box-shadow: none;
        }
      }
    }
  }

  &.is-primary {
    font-weight: $font-weight-bold;
    text-shadow: 0 1px 1px rgba($black, 0.25);
  }

  &.is-link {
    color: $link;
    text-decoration: none;
    font-weight: $font-weight-semibold;
    box-shadow: none;
    min-width: 4rem;
  }

  &.is-ghost {
    background-color: transparent;
    border-color: transparent;
    box-shadow: none;
    color: $blue;

    &:hover {
      background-color: $grey-lightest;
    }
  }

  &.is-orange {
    background-color: $orange;
    border-color: $orange;
    color: $white;

    &:hover,
    &.is-hovered {
      background-color: darken($orange, 5%);
      border-color: darken($orange, 5%);
    }
  }
  &.is-compact {
    height: 2rem;
    padding: $size-11 $size-8;
  }

  .has-text-info & {
    font-weight: $font-weight-semibold;
  }

  &.has-text-danger {
    border: 1px solid $red-500;
  }

  &.tool-tip-trigger {
    color: $grey-dark;
    min-width: auto;
    padding: 0;
  }

  &.has-icon-left,
  &.has-icon-right {
    .hs-icon {
      height: 16px;
      min-width: auto;
      width: 16px;
    }
  }

  &.has-icon-left {
    .hs-icon {
      &,
      &:first-child:last-child {
        position: relative;
        left: -$size-10;
      }
    }
  }

  &.has-icon-right {
    .hs-icon {
      &,
      &:first-child:last-child {
        margin-left: $spacing-xxs;
        margin-right: -$spacing-xxs;
      }
    }
  }
}

.button.icon {
  box-sizing: border-box;
  padding: 0 $size-11;
  height: 24px;
  width: 24px;
  &,
  & .icon {
    min-width: 0;
  }
}

.button.auto-width,
.button .icon.auto-width {
  width: auto;
  min-width: auto;
  margin: 0 !important;
}

.button.next-feature-step {
  background: $white;
  border: 1px solid $grey-light;
  border-radius: $radius;
  box-shadow: none;
  color: $blue;
  display: flex;
  height: auto;
  line-height: 1.2;
  justify-content: space-between;
  text-align: left;
  white-space: normal;
  padding: $size-8;
  width: 100%;
}

a.button.disabled {
  color: $white;
  background-color: $grey-dark;
  opacity: 0.5;
  border-color: transparent;
  box-shadow: none;
  cursor: default;
}
.icon-button {
  background: transparent;
  padding: 0;
  margin: 0;
  border: none;
  cursor: pointer;
}
.text-button {
  padding: unset;
  border: none;
  background-color: inherit;
  color: inherit;
  font-size: inherit;
  font-weight: inherit;
  cursor: pointer;
  color: $link;
}