1 | // The dropdown wrapper (`<div>`)
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2 | .dropup,
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3 | .dropend,
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4 | .dropdown,
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5 | .dropstart {
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6 | position: relative;
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7 | }
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8 |
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9 | .dropdown-toggle {
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10 | white-space: nowrap;
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11 |
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12 | // Generate the caret automatically
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13 | @include caret();
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14 | }
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15 |
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16 | // The dropdown menu
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17 | .dropdown-menu {
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18 | position: absolute;
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19 | z-index: $zindex-dropdown;
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20 | display: none; // none by default, but block on "open" of the menu
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21 | min-width: $dropdown-min-width;
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22 | padding: $dropdown-padding-y $dropdown-padding-x;
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23 | margin: 0; // Override default margin of ul
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24 | @include font-size($dropdown-font-size);
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25 | color: $dropdown-color;
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26 | text-align: left; // Ensures proper alignment if parent has it changed (e.g., modal footer)
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27 | list-style: none;
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28 | background-color: $dropdown-bg;
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29 | background-clip: padding-box;
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30 | border: $dropdown-border-width solid $dropdown-border-color;
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31 | @include border-radius($dropdown-border-radius);
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32 | @include box-shadow($dropdown-box-shadow);
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33 |
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34 | &[data-bs-popper] {
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35 | top: 100%;
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36 | left: 0;
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37 | margin-top: $dropdown-spacer;
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38 | }
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39 | }
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40 |
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41 | // scss-docs-start responsive-breakpoints
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42 | // We deliberately hardcode the `bs-` prefix because we check
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43 | // this custom property in JS to determine Popper's positioning
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44 |
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45 | @each $breakpoint in map-keys($grid-breakpoints) {
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46 | @include media-breakpoint-up($breakpoint) {
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47 | $infix: breakpoint-infix($breakpoint, $grid-breakpoints);
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48 |
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49 | .dropdown-menu#{$infix}-start {
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50 | --bs-position: start;
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51 |
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52 | &[data-bs-popper] {
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53 | right: auto;
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54 | left: 0;
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55 | }
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56 | }
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57 |
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58 | .dropdown-menu#{$infix}-end {
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59 | --bs-position: end;
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60 |
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61 | &[data-bs-popper] {
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62 | right: 0;
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63 | left: auto;
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64 | }
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65 | }
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66 | }
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67 | }
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68 | // scss-docs-end responsive-breakpoints
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69 |
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70 | // Allow for dropdowns to go bottom up (aka, dropup-menu)
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71 | // Just add .dropup after the standard .dropdown class and you're set.
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72 | .dropup {
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73 | .dropdown-menu[data-bs-popper] {
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74 | top: auto;
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75 | bottom: 100%;
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76 | margin-top: 0;
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77 | margin-bottom: $dropdown-spacer;
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78 | }
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79 |
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80 | .dropdown-toggle {
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81 | @include caret(up);
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82 | }
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83 | }
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84 |
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85 | .dropend {
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86 | .dropdown-menu[data-bs-popper] {
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87 | top: 0;
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88 | right: auto;
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89 | left: 100%;
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90 | margin-top: 0;
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91 | margin-left: $dropdown-spacer;
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92 | }
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93 |
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94 | .dropdown-toggle {
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95 | @include caret(end);
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96 | &::after {
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97 | vertical-align: 0;
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98 | }
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99 | }
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100 | }
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101 |
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102 | .dropstart {
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103 | .dropdown-menu[data-bs-popper] {
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104 | top: 0;
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105 | right: 100%;
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106 | left: auto;
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107 | margin-top: 0;
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108 | margin-right: $dropdown-spacer;
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109 | }
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110 |
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111 | .dropdown-toggle {
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112 | @include caret(start);
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113 | &::before {
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114 | vertical-align: 0;
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115 | }
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116 | }
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117 | }
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118 |
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119 |
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120 | // Dividers (basically an `<hr>`) within the dropdown
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121 | .dropdown-divider {
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122 | height: 0;
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123 | margin: $dropdown-divider-margin-y 0;
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124 | overflow: hidden;
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125 | border-top: 1px solid $dropdown-divider-bg;
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126 | }
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127 |
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128 | // Links, buttons, and more within the dropdown menu
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129 | //
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130 | // `<button>`-specific styles are denoted with `// For <button>s`
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131 | .dropdown-item {
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132 | display: block;
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133 | width: 100%; // For `<button>`s
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134 | padding: $dropdown-item-padding-y $dropdown-item-padding-x;
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135 | clear: both;
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136 | font-weight: $font-weight-normal;
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137 | color: $dropdown-link-color;
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138 | text-align: inherit; // For `<button>`s
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139 | text-decoration: if($link-decoration == none, null, none);
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140 | white-space: nowrap; // prevent links from randomly breaking onto new lines
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141 | background-color: transparent; // For `<button>`s
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142 | border: 0; // For `<button>`s
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143 |
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144 | // Prevent dropdown overflow if there's no padding
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145 | // See https://github.com/twbs/bootstrap/pull/27703
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146 | @if $dropdown-padding-y == 0 {
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147 | &:first-child {
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148 | @include border-top-radius($dropdown-inner-border-radius);
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149 | }
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150 |
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151 | &:last-child {
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152 | @include border-bottom-radius($dropdown-inner-border-radius);
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153 | }
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154 | }
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155 |
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156 | &:hover,
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157 | &:focus {
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158 | color: $dropdown-link-hover-color;
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159 | text-decoration: if($link-hover-decoration == underline, none, null);
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160 | @include gradient-bg($dropdown-link-hover-bg);
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161 | }
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162 |
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163 | &.active,
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164 | &:active {
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165 | color: $dropdown-link-active-color;
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166 | text-decoration: none;
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167 | @include gradient-bg($dropdown-link-active-bg);
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168 | }
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169 |
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170 | &.disabled,
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171 | &:disabled {
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172 | color: $dropdown-link-disabled-color;
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173 | pointer-events: none;
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174 | background-color: transparent;
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175 | // Remove CSS gradients if they're enabled
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176 | background-image: if($enable-gradients, none, null);
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177 | }
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178 | }
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179 |
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180 | .dropdown-menu.show {
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181 | display: block;
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182 | }
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183 |
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184 | // Dropdown section headers
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185 | .dropdown-header {
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186 | display: block;
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187 | padding: $dropdown-header-padding;
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188 | margin-bottom: 0; // for use with heading elements
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189 | @include font-size($font-size-sm);
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190 | color: $dropdown-header-color;
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191 | white-space: nowrap; // as with > li > a
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192 | }
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193 |
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194 | // Dropdown text
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195 | .dropdown-item-text {
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196 | display: block;
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197 | padding: $dropdown-item-padding-y $dropdown-item-padding-x;
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198 | color: $dropdown-link-color;
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199 | }
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200 |
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201 | // Dark dropdowns
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202 | .dropdown-menu-dark {
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203 | color: $dropdown-dark-color;
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204 | background-color: $dropdown-dark-bg;
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205 | border-color: $dropdown-dark-border-color;
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206 | @include box-shadow($dropdown-dark-box-shadow);
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207 |
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208 | .dropdown-item {
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209 | color: $dropdown-dark-link-color;
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210 |
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211 | &:hover,
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212 | &:focus {
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213 | color: $dropdown-dark-link-hover-color;
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214 | @include gradient-bg($dropdown-dark-link-hover-bg);
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215 | }
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216 |
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217 | &.active,
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218 | &:active {
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219 | color: $dropdown-dark-link-active-color;
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220 | @include gradient-bg($dropdown-dark-link-active-bg);
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221 | }
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222 |
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223 | &.disabled,
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224 | &:disabled {
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225 | color: $dropdown-dark-link-disabled-color;
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226 | }
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227 | }
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228 |
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229 | .dropdown-divider {
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230 | border-color: $dropdown-dark-divider-bg;
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231 | }
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232 |
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233 | .dropdown-item-text {
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234 | color: $dropdown-dark-link-color;
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235 | }
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236 |
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237 | .dropdown-header {
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238 | color: $dropdown-dark-header-color;
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239 | }
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240 | }
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