1 | //
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2 | // Scaffolding
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3 | // --------------------------------------------------
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4 |
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5 |
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6 | // Reset the box-sizing
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7 | //
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8 | // Heads up! This reset may cause conflicts with some third-party widgets.
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9 | // For recommendations on resolving such conflicts, see
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10 | // https://getbootstrap.com/docs/3.4/getting-started/#third-box-sizing
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11 | * {
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12 | .box-sizing(border-box);
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13 | }
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14 | *:before,
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15 | *:after {
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16 | .box-sizing(border-box);
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17 | }
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18 |
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19 |
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20 | // Body reset
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21 |
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22 | html {
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23 | font-size: 10px;
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24 | -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
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25 | }
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26 |
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27 | body {
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28 | font-family: @font-family-base;
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29 | font-size: @font-size-base;
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30 | line-height: @line-height-base;
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31 | color: @text-color;
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32 | background-color: @body-bg;
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33 | }
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34 |
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35 | // Reset fonts for relevant elements
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36 | input,
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37 | button,
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38 | select,
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39 | textarea {
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40 | font-family: inherit;
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41 | font-size: inherit;
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42 | line-height: inherit;
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43 | }
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44 |
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45 |
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46 | // Links
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47 |
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48 | a {
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49 | color: @link-color;
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50 | text-decoration: none;
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51 |
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52 | &:hover,
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53 | &:focus {
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54 | color: @link-hover-color;
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55 | text-decoration: @link-hover-decoration;
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56 | }
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57 |
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58 | &:focus {
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59 | .tab-focus();
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60 | }
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61 | }
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62 |
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63 |
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64 | // Figures
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65 | //
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66 | // We reset this here because previously Normalize had no `figure` margins. This
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67 | // ensures we don't break anyone's use of the element.
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68 |
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69 | figure {
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70 | margin: 0;
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71 | }
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72 |
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73 |
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74 | // Images
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75 |
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76 | img {
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77 | vertical-align: middle;
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78 | }
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79 |
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80 | // Responsive images (ensure images don't scale beyond their parents)
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81 | .img-responsive {
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82 | .img-responsive();
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83 | }
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84 |
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85 | // Rounded corners
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86 | .img-rounded {
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87 | border-radius: @border-radius-large;
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88 | }
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89 |
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90 | // Image thumbnails
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91 | //
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92 | // Heads up! This is mixin-ed into thumbnails.less for `.thumbnail`.
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93 | .img-thumbnail {
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94 | padding: @thumbnail-padding;
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95 | line-height: @line-height-base;
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96 | background-color: @thumbnail-bg;
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97 | border: 1px solid @thumbnail-border;
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98 | border-radius: @thumbnail-border-radius;
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99 | .transition(all .2s ease-in-out);
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100 |
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101 | // Keep them at most 100% wide
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102 | .img-responsive(inline-block);
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103 | }
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104 |
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105 | // Perfect circle
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106 | .img-circle {
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107 | border-radius: 50%; // set radius in percents
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108 | }
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109 |
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110 |
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111 | // Horizontal rules
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112 |
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113 | hr {
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114 | margin-top: @line-height-computed;
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115 | margin-bottom: @line-height-computed;
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116 | border: 0;
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117 | border-top: 1px solid @hr-border;
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118 | }
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119 |
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120 |
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121 | // Only display content to screen readers
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122 | //
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123 | // See: https://a11yproject.com/posts/how-to-hide-content
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124 |
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125 | .sr-only {
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126 | position: absolute;
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127 | width: 1px;
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128 | height: 1px;
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129 | padding: 0;
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130 | margin: -1px;
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131 | overflow: hidden;
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132 | clip: rect(0, 0, 0, 0);
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133 | border: 0;
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134 | }
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135 |
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136 | // Use in conjunction with .sr-only to only display content when it's focused.
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137 | // Useful for "Skip to main content" links; see https://www.w3.org/TR/2013/NOTE-WCAG20-TECHS-20130905/G1
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138 | // Credit: HTML5 Boilerplate
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139 |
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140 | .sr-only-focusable {
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141 | &:active,
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142 | &:focus {
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143 | position: static;
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144 | width: auto;
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145 | height: auto;
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146 | margin: 0;
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147 | overflow: visible;
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148 | clip: auto;
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149 | }
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150 | }
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151 |
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152 |
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153 | // iOS "clickable elements" fix for role="button"
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154 | //
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155 | // Fixes "clickability" issue (and more generally, the firing of events such as focus as well)
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156 | // for traditionally non-focusable elements with role="button"
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157 | // see https://developer.mozilla.org/en-US/docs/Web/Events/click#Safari_Mobile
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158 |
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159 | [role="button"] {
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160 | cursor: pointer;
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161 | }
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