`) .dropup, .dropdown { position: relative; } .dropdown-toggle { // Generate the caret automatically @include caret; } // The dropdown menu .dropdown-menu { position: absolute; top: 100%; left: 0 #{"/*!rtl:auto*/"}; 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); } // 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 { margin-top: 0; margin-bottom: $dropdown-spacer; } .dropdown-toggle { @include caret(up); } } .dropright { .dropdown-menu { margin-top: 0; margin-left: $dropdown-spacer; } .dropdown-toggle { @include caret(right); &::after { vertical-align: 0; } } } .dropleft { .dropdown-menu { margin-top: 0; margin-right: $dropdown-spacer; } .dropdown-toggle { @include caret(left); &::before { vertical-align: 0; } } } // Dividers (basically an `

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`) within the dropdown .dropdown-divider { @include nav-divider($dropdown-divider-bg); } // Links, buttons, and more within the dropdown menu // // ``-specific styles are denoted with `// For s` .dropdown-item { display: block; width: 100%; // For ``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 ``s white-space: nowrap; // prevent links from randomly breaking onto new lines background-color: transparent; // For ``s border: 0; // For ``s @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; 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 }