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   1  //
   2  // Button groups
   3  // --------------------------------------------------
   4  
   5  
   6  // Make the div behave like a button
   7  .btn-group {
   8    position: relative;
   9    display: inline-block;
  10    .ie7-inline-block();
  11    font-size: 0; // remove as part 1 of font-size inline-block hack
  12    vertical-align: middle; // match .btn alignment given font-size hack above
  13    white-space: nowrap; // prevent buttons from wrapping when in tight spaces (e.g., the table on the tests page)
  14    .ie7-restore-left-whitespace();
  15  }
  16  
  17  // Space out series of button groups
  18  .btn-group + .btn-group {
  19    margin-left: 5px;
  20  }
  21  
  22  // Optional: Group multiple button groups together for a toolbar
  23  .btn-toolbar {
  24    font-size: 0; // Hack to remove whitespace that results from using inline-block
  25    margin-top: @baseLineHeight / 2;
  26    margin-bottom: @baseLineHeight / 2;
  27    > .btn + .btn,
  28    > .btn-group + .btn,
  29    > .btn + .btn-group {
  30      margin-left: 5px;
  31    }
  32  }
  33  
  34  // Float them, remove border radius, then re-add to first and last elements
  35  .btn-group > .btn {
  36    position: relative;
  37    .border-radius(0);
  38  }
  39  .btn-group > .btn + .btn {
  40    margin-left: -1px;
  41  }
  42  .btn-group > .btn,
  43  .btn-group > .dropdown-menu,
  44  .btn-group > .popover {
  45    font-size: @baseFontSize; // redeclare as part 2 of font-size inline-block hack
  46  }
  47  
  48  // Reset fonts for other sizes
  49  .btn-group > .btn-mini {
  50    font-size: @fontSizeMini;
  51  }
  52  .btn-group > .btn-small {
  53    font-size: @fontSizeSmall;
  54  }
  55  .btn-group > .btn-large {
  56    font-size: @fontSizeLarge;
  57  }
  58  
  59  // Set corners individual because sometimes a single button can be in a .btn-group and we need :first-child and :last-child to both match
  60  .btn-group > .btn:first-child {
  61    margin-left: 0;
  62    .border-top-left-radius(@baseBorderRadius);
  63    .border-bottom-left-radius(@baseBorderRadius);
  64  }
  65  // Need .dropdown-toggle since :last-child doesn't apply given a .dropdown-menu immediately after it
  66  .btn-group > .btn:last-child,
  67  .btn-group > .dropdown-toggle {
  68    .border-top-right-radius(@baseBorderRadius);
  69    .border-bottom-right-radius(@baseBorderRadius);
  70  }
  71  // Reset corners for large buttons
  72  .btn-group > .btn.large:first-child {
  73    margin-left: 0;
  74    .border-top-left-radius(@borderRadiusLarge);
  75    .border-bottom-left-radius(@borderRadiusLarge);
  76  }
  77  .btn-group > .btn.large:last-child,
  78  .btn-group > .large.dropdown-toggle {
  79    .border-top-right-radius(@borderRadiusLarge);
  80    .border-bottom-right-radius(@borderRadiusLarge);
  81  }
  82  
  83  // On hover/focus/active, bring the proper btn to front
  84  .btn-group > .btn:hover,
  85  .btn-group > .btn:focus,
  86  .btn-group > .btn:active,
  87  .btn-group > .btn.active {
  88    z-index: 2;
  89  }
  90  
  91  // On active and open, don't show outline
  92  .btn-group .dropdown-toggle:active,
  93  .btn-group.open .dropdown-toggle {
  94    outline: 0;
  95  }
  96  
  97  
  98  
  99  // Split button dropdowns
 100  // ----------------------
 101  
 102  // Give the line between buttons some depth
 103  .btn-group > .btn + .dropdown-toggle {
 104    padding-left: 8px;
 105    padding-right: 8px;
 106    .box-shadow(~"inset 1px 0 0 rgba(255,255,255,.125), inset 0 1px 0 rgba(255,255,255,.2), 0 1px 2px rgba(0,0,0,.05)");
 107    *padding-top: 5px;
 108    *padding-bottom: 5px;
 109  }
 110  .btn-group > .btn-mini + .dropdown-toggle {
 111    padding-left: 5px;
 112    padding-right: 5px;
 113    *padding-top: 2px;
 114    *padding-bottom: 2px;
 115  }
 116  .btn-group > .btn-small + .dropdown-toggle {
 117    *padding-top: 5px;
 118    *padding-bottom: 4px;
 119  }
 120  .btn-group > .btn-large + .dropdown-toggle {
 121    padding-left: 12px;
 122    padding-right: 12px;
 123    *padding-top: 7px;
 124    *padding-bottom: 7px;
 125  }
 126  
 127  .btn-group.open {
 128  
 129    // The clickable button for toggling the menu
 130    // Remove the gradient and set the same inset shadow as the :active state
 131    .dropdown-toggle {
 132      background-image: none;
 133      .box-shadow(~"inset 0 2px 4px rgba(0,0,0,.15), 0 1px 2px rgba(0,0,0,.05)");
 134    }
 135  
 136    // Keep the hover's background when dropdown is open
 137    .btn.dropdown-toggle {
 138      background-color: @btnBackgroundHighlight;
 139    }
 140    .btn-primary.dropdown-toggle {
 141      background-color: @btnPrimaryBackgroundHighlight;
 142    }
 143    .btn-warning.dropdown-toggle {
 144      background-color: @btnWarningBackgroundHighlight;
 145    }
 146    .btn-danger.dropdown-toggle {
 147      background-color: @btnDangerBackgroundHighlight;
 148    }
 149    .btn-success.dropdown-toggle {
 150      background-color: @btnSuccessBackgroundHighlight;
 151    }
 152    .btn-info.dropdown-toggle {
 153      background-color: @btnInfoBackgroundHighlight;
 154    }
 155    .btn-inverse.dropdown-toggle {
 156      background-color: @btnInverseBackgroundHighlight;
 157    }
 158  }
 159  
 160  
 161  // Reposition the caret
 162  .btn .caret {
 163    margin-top: 8px;
 164    margin-left: 0;
 165  }
 166  // Carets in other button sizes
 167  .btn-large .caret {
 168    margin-top: 6px;
 169  }
 170  .btn-large .caret {
 171    border-left-width:  5px;
 172    border-right-width: 5px;
 173    border-top-width:   5px;
 174  }
 175  .btn-mini .caret,
 176  .btn-small .caret {
 177    margin-top: 8px;
 178  }
 179  // Upside down carets for .dropup
 180  .dropup .btn-large .caret {
 181    border-bottom-width: 5px;
 182  }
 183  
 184  
 185  
 186  // Account for other colors
 187  .btn-primary,
 188  .btn-warning,
 189  .btn-danger,
 190  .btn-info,
 191  .btn-success,
 192  .btn-inverse {
 193    .caret {
 194      border-top-color: @white;
 195      border-bottom-color: @white;
 196    }
 197  }
 198  
 199  
 200  
 201  // Vertical button groups
 202  // ----------------------
 203  
 204  .btn-group-vertical {
 205    display: inline-block; // makes buttons only take up the width they need
 206    .ie7-inline-block();
 207  }
 208  .btn-group-vertical > .btn {
 209    display: block;
 210    float: none;
 211    max-width: 100%;
 212    .border-radius(0);
 213  }
 214  .btn-group-vertical > .btn + .btn {
 215    margin-left: 0;
 216    margin-top: -1px;
 217  }
 218  .btn-group-vertical > .btn:first-child {
 219    .border-radius(@baseBorderRadius @baseBorderRadius 0 0);
 220  }
 221  .btn-group-vertical > .btn:last-child {
 222    .border-radius(0 0 @baseBorderRadius @baseBorderRadius);
 223  }
 224  .btn-group-vertical > .btn-large:first-child {
 225    .border-radius(@borderRadiusLarge @borderRadiusLarge 0 0);
 226  }
 227  .btn-group-vertical > .btn-large:last-child {
 228    .border-radius(0 0 @borderRadiusLarge @borderRadiusLarge);
 229  }