1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
// 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 $dropdown-border-color;
@include border-radius($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: $dropdown-spacer;
}
.dropdown-toggle {
@include caret(left);
&::before {
vertical-align: 0;
}
}
}
// Dividers (basically an `<hr>`) within the dropdown
.dropdown-divider {
@include nav-divider($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
@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
}
|
