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   1  // Range
   2  //
   3  // Style range inputs the same across browsers. Vendor-specific rules for pseudo
   4  // elements cannot be mixed. As such, there are no shared styles for focus or
   5  // active states on prefixed selectors.
   6  
   7  .form-range {
   8    width: 100%;
   9    height: add($form-range-thumb-height, $form-range-thumb-focus-box-shadow-width * 2);
  10    padding: 0; // Need to reset padding
  11    background-color: transparent;
  12    appearance: none;
  13  
  14    &:focus {
  15      outline: 0;
  16  
  17      // Pseudo-elements must be split across multiple rulesets to have an effect.
  18      // No box-shadow() mixin for focus accessibility.
  19      &::-webkit-slider-thumb { box-shadow: $form-range-thumb-focus-box-shadow; }
  20      &::-moz-range-thumb     { box-shadow: $form-range-thumb-focus-box-shadow; }
  21    }
  22  
  23    &::-moz-focus-outer {
  24      border: 0;
  25    }
  26  
  27    &::-webkit-slider-thumb {
  28      width: $form-range-thumb-width;
  29      height: $form-range-thumb-height;
  30      margin-top: ($form-range-track-height - $form-range-thumb-height) * .5; // Webkit specific
  31      @include gradient-bg($form-range-thumb-bg);
  32      border: $form-range-thumb-border;
  33      @include border-radius($form-range-thumb-border-radius);
  34      @include box-shadow($form-range-thumb-box-shadow);
  35      @include transition($form-range-thumb-transition);
  36      appearance: none;
  37  
  38      &:active {
  39        @include gradient-bg($form-range-thumb-active-bg);
  40      }
  41    }
  42  
  43    &::-webkit-slider-runnable-track {
  44      width: $form-range-track-width;
  45      height: $form-range-track-height;
  46      color: transparent; // Why?
  47      cursor: $form-range-track-cursor;
  48      background-color: $form-range-track-bg;
  49      border-color: transparent;
  50      @include border-radius($form-range-track-border-radius);
  51      @include box-shadow($form-range-track-box-shadow);
  52    }
  53  
  54    &::-moz-range-thumb {
  55      width: $form-range-thumb-width;
  56      height: $form-range-thumb-height;
  57      @include gradient-bg($form-range-thumb-bg);
  58      border: $form-range-thumb-border;
  59      @include border-radius($form-range-thumb-border-radius);
  60      @include box-shadow($form-range-thumb-box-shadow);
  61      @include transition($form-range-thumb-transition);
  62      appearance: none;
  63  
  64      &:active {
  65        @include gradient-bg($form-range-thumb-active-bg);
  66      }
  67    }
  68  
  69    &::-moz-range-track {
  70      width: $form-range-track-width;
  71      height: $form-range-track-height;
  72      color: transparent;
  73      cursor: $form-range-track-cursor;
  74      background-color: $form-range-track-bg;
  75      border-color: transparent; // Firefox specific?
  76      @include border-radius($form-range-track-border-radius);
  77      @include box-shadow($form-range-track-box-shadow);
  78    }
  79  
  80    &:disabled {
  81      pointer-events: none;
  82  
  83      &::-webkit-slider-thumb {
  84        background-color: $form-range-thumb-disabled-bg;
  85      }
  86  
  87      &::-moz-range-thumb {
  88        background-color: $form-range-thumb-disabled-bg;
  89      }
  90    }
  91  }