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Bootstrap/scss/_dropdown.scss
Mark Otto 06641ca0b3 Gradients and shadows (#24429)
* Update the form focus mixin to use a manual `$enable-shadows` check so we can always ensure a focus state for accessibility and consistency

* - Add new `$input-btn-focus-width` and `$input-btn-focus-color` variables.

- Replace separate `$btn-focus-box-shadow` and `$input-focus-box-shadow`
variables with unified `$input-btn-focus-box-shadow` to match our
combined variables approach elsewhere.

* Put new focus width var to use in buttons mixins

* use new button input-box shadow var

* Add a new mixin for quickly adding linear gradient to components when $enable-gradients is set to true

* use correct var

* fix focus shadows in button mixins

* Add opt-in gradients to alerts, buttons, carousel, custom radios and checkboxes, custom file input, and dropdown items

* Generate .bg-gradient- utilities

* add headings to colors page and document bg-gradient utils

* update the button color for active status, check with yiq as it's done for basic state and hover state
2017-10-19 09:03:33 -07:00

104 lines
2.6 KiB
SCSS

// The dropdown wrapper (`<div>`)
.dropup,
.dropdown {
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 $dropdown-border-color;
@include border-radius($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: $dropdown-spacer;
}
.dropdown-toggle {
@include caret(up);
}
}
// Dividers (basically an `<hr>`) within the dropdown
.dropdown-divider {
@include nav-divider($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: none; // For `<button>`s
border: 0; // For `<button>`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
}