// The dropdown wrapper (`<div>`) .dropup, .dropright, .dropdown, .dropleft {

position: relative;

}

.dropdown-toggle {

// Generate the caret automatically
@include caret;

}

// The dropdown menu .dropdown-menu {

position: absolute;
top: 100%;
left: 0;
z-index: $zindex-dropdown;
display: none; // none by default, but block on "open" of the menu
float: left;
min-width: $dropdown-min-width;
padding: $dropdown-padding-y 0;
margin: $dropdown-spacer 0 0; // override default ul
font-size: $font-size-base; // Redeclare because nesting can cause inheritance issues
color: $body-color;
text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
list-style: none;
background-color: $dropdown-bg;
background-clip: padding-box;
border: $dropdown-border-width solid $dropdown-border-color;
@include border-radius($dropdown-border-radius);
@include box-shadow($dropdown-box-shadow);

}

@each $breakpoint in map-keys($grid-breakpoints) {

@include media-breakpoint-up($breakpoint) {
  $infix: breakpoint-infix($breakpoint, $grid-breakpoints);

  .dropdown-menu#{$infix}-right {
    right: 0;
    left: auto;
  }
}

}

@each $breakpoint in map-keys($grid-breakpoints) {

@include media-breakpoint-up($breakpoint) {
  $infix: breakpoint-infix($breakpoint, $grid-breakpoints);

  .dropdown-menu#{$infix}-left {
    right: auto;
    left: 0;
  }
}

}

// Allow for dropdowns to go bottom up (aka, dropup-menu) // Just add .dropup after the standard .dropdown class and you're set. .dropup {

.dropdown-menu {
  top: auto;
  bottom: 100%;
  margin-top: 0;
  margin-bottom: $dropdown-spacer;
}

.dropdown-toggle {
  @include caret(up);
}

}

.dropright {

.dropdown-menu {
  top: 0;
  right: auto;
  left: 100%;
  margin-top: 0;
  margin-left: $dropdown-spacer;
}

.dropdown-toggle {
  @include caret(right);
  &::after {
    vertical-align: 0;
  }
}

}

.dropleft {

.dropdown-menu {
  top: 0;
  right: 100%;
  left: auto;
  margin-top: 0;
  margin-right: $dropdown-spacer;
}

.dropdown-toggle {
  @include caret(left);
  &::before {
    vertical-align: 0;
  }
}

}

// When enabled Popper.js, reset basic dropdown position // stylelint-disable-next-line no-duplicate-selectors .dropdown-menu {

&[x-placement^="top"],
&[x-placement^="right"],
&[x-placement^="bottom"],
&[x-placement^="left"] {
  right: auto;
  bottom: auto;
}

}

// Dividers (basically an `<hr>`) within the dropdown .dropdown-divider {

@include nav-divider($dropdown-divider-bg);

}

// Links, buttons, and more within the dropdown menu // // `<button>`-specific styles are denoted with `// For <button>s` .dropdown-item {

display: block;
width: 100%; // For `<button>`s
padding: $dropdown-item-padding-y $dropdown-item-padding-x;
clear: both;
font-weight: $font-weight-normal;
color: $dropdown-link-color;
text-align: inherit; // For `<button>`s
white-space: nowrap; // prevent links from randomly breaking onto new lines
background-color: transparent; // For `<button>`s
border: 0; // For `<button>`s

&:first-child {
  @include border-top-radius($dropdown-inner-border-radius);
}

&:last-child {
  @include border-bottom-radius($dropdown-inner-border-radius);
}

@include hover-focus {
  color: $dropdown-link-hover-color;
  text-decoration: none;
  @include gradient-bg($dropdown-link-hover-bg);
}

&.active,
&:active {
  color: $dropdown-link-active-color;
  text-decoration: none;
  @include gradient-bg($dropdown-link-active-bg);
}

&.disabled,
&:disabled {
  color: $dropdown-link-disabled-color;
  pointer-events: none;
  background-color: transparent;
  // Remove CSS gradients if they're enabled
  @if $enable-gradients {
    background-image: none;
  }
}

}

.dropdown-menu.show {

display: block;

}

// Dropdown section headers .dropdown-header {

display: block;
padding: $dropdown-padding-y $dropdown-item-padding-x;
margin-bottom: 0; // for use with heading elements
font-size: $font-size-sm;
color: $dropdown-header-color;
white-space: nowrap; // as with > li > a

}

// Dropdown text .dropdown-item-text {

display: block;
padding: $dropdown-item-padding-y $dropdown-item-padding-x;
color: $dropdown-link-color;

}