bulma/sass/components/dropdown.scss

@import "../utilities/mixins";

$dropdown-menu-min-width: 12rem !default;

$dropdown-content-background-color: getVar("scheme-main") !default;
$dropdown-content-arrow: getVar("link") !default;
$dropdown-content-offset: 4px !default;
$dropdown-content-padding-bottom: 0.5rem !default;
$dropdown-content-padding-top: 0.5rem !default;
$dropdown-content-radius: getVar("radius") !default;
$dropdown-content-shadow: getVar("shadow") !default;
$dropdown-content-z: 20 !default;

$dropdown-item-color: getVar("text") !default;
$dropdown-item-hover-color: getVar("scheme-invert") !default;
$dropdown-item-hover-background-color: getVar("background") !default;
$dropdown-item-active-color: getVar("link-invert") !default;
$dropdown-item-active-background-color: getVar("link") !default;

$dropdown-divider-background-color: getVar("border-light") !default;

:root {
  @include register-vars(
    (
      dropdown-menu-min-width: #{$dropdown-menu-min-width},
      dropdown-content-background-color: #{$dropdown-content-background-color},
      dropdown-content-arrow: #{$dropdown-content-arrow},
      dropdown-content-offset: #{$dropdown-content-offset},
      dropdown-content-padding-bottom: #{$dropdown-content-padding-bottom},
      dropdown-content-padding-top: #{$dropdown-content-padding-top},
      dropdown-content-radius: #{$dropdown-content-radius},
      dropdown-content-shadow: #{$dropdown-content-shadow},
      dropdown-content-z: #{$dropdown-content-z},
      dropdown-item-color: #{$dropdown-item-color},
      dropdown-item-hover-color: #{$dropdown-item-hover-color},
      dropdown-item-hover-background-color: #{$dropdown-item-hover-background-color},
      dropdown-item-active-color: #{$dropdown-item-active-color},
      dropdown-item-active-background-color: #{$dropdown-item-active-background-color},
      dropdown-divider-background-color: #{$dropdown-divider-background-color},
    )
  );
}

.#{$class-prefix}dropdown {
  display: inline-flex;
  position: relative;
  vertical-align: top;

  &.is-active,
  &.is-hoverable:hover {
    .#{$class-prefix}dropdown-menu {
      display: block;
    }
  }

  &.is-right {
    .#{$class-prefix}dropdown-menu {
      left: auto;
      right: 0;
    }
  }

  &.is-up {
    .#{$class-prefix}dropdown-menu {
      bottom: 100%;
      padding-bottom: getVar("dropdown-content-offset");
      padding-top: initial;
      top: auto;
    }
  }
}

.#{$class-prefix}dropdown-menu {
  display: none;

  @include ltr-position(0, false);

  min-width: getVar("dropdown-menu-min-width");
  padding-top: getVar("dropdown-content-offset");
  position: absolute;
  top: 100%;
  z-index: getVar("dropdown-content-z");
}

.#{$class-prefix}dropdown-content {
  background-color: getVar("dropdown-content-background-color");
  border-radius: getVar("dropdown-content-radius");
  box-shadow: getVar("dropdown-content-shadow");
  padding-bottom: getVar("dropdown-content-padding-bottom");
  padding-top: getVar("dropdown-content-padding-top");
}

.#{$class-prefix}dropdown-item {
  color: getVar("dropdown-item-color");
  display: block;
  font-size: 0.875rem;
  line-height: 1.5;
  padding: 0.375rem 1rem;
  position: relative;
}

a.#{$class-prefix}dropdown-item,
button.#{$class-prefix}dropdown-item {
  @include ltr-property("padding", 3rem);

  text-align: inherit;
  white-space: nowrap;
  width: 100%;

  &:hover {
    background-color: getVar("dropdown-item-hover-background-color");
    color: getVar("dropdown-item-hover-color");
  }

  &.is-active {
    background-color: getVar("dropdown-item-active-background-color");
    color: getVar("dropdown-item-active-color");
  }
}

.#{$class-prefix}dropdown-divider {
  background-color: getVar("dropdown-divider-background-color");
  border: none;
  display: block;
  height: 1px;
  margin: 0.5rem 0;
}