1  .color-picker,
  2  .color-picker::before,
  3  .color-picker::after,
  4  .color-picker *,
  5  .color-picker *::before,
  6  .color-picker *::after {
  7    box-sizing: border-box;
  8  }
  9  .color-picker {
 10    position: absolute;
 11    top: 0;
 12    left: 0;
 13    z-index: 9999;
 14    box-shadow: 1px 3px 6px rgba(0, 0, 0, .5);
 15  }
 16  .color-picker > div {
 17    display: flex;
 18    height: 10em;
 19    border: 1px solid #000;
 20    color: #000;
 21  }
 22  .color-picker > div * {
 23    border-color: inherit;
 24    color: inherit;
 25  }
 26  .color-picker i {
 27    font: inherit;
 28    font-size: 12px; /* Measure the color picker control size by measuring the text size */
 29  }
 30  .color-picker\:a,
 31  .color-picker\:h,
 32  .color-picker\:sv {
 33    background-size: 100% 100%;
 34    position: relative;
 35  }
 36  .color-picker\:a,
 37  .color-picker\:h {
 38    width: 1.5em;
 39    border-left: 1px solid;
 40    cursor: ns-resize;
 41    overflow: hidden;
 42  }
 43  .color-picker\:a div,
 44  .color-picker\:h div,
 45  .color-picker\:sv div {
 46    position: absolute;
 47    top: 0;
 48    right: 0;
 49    bottom: 0;
 50    left: 0;
 51  }
 52  .color-picker\:a i,
 53  .color-picker\:h i {
 54    display: block;
 55    height: .5em;
 56    position: absolute;
 57    top: -.25em;
 58    right: 0;
 59    left: 0;
 60    z-index: 2;
 61  }
 62  .color-picker\:a i::before,
 63  .color-picker\:h i::before {
 64    display: block;
 65    content: "";
 66    position: absolute;
 67    top: 0;
 68    right: 0;
 69    bottom: 0;
 70    left: 0;
 71    border:.25em solid;
 72    border-top-color: transparent;
 73    border-bottom-color: transparent;
 74  }
 75  .color-picker\:sv {
 76    width: 10em;
 77    cursor: crosshair;
 78    overflow: hidden;
 79  }
 80  .color-picker\:sv i {
 81    display: block;
 82    width: .75em;
 83    height: .75em;
 84    position: absolute;
 85    top: -.375em;
 86    right: -.375em;
 87    z-index: 2;
 88  }
 89  .color-picker\:sv i::before {
 90    display: block;
 91    content: "";
 92    position: absolute;
 93    top: 0;
 94    right: 0;
 95    bottom: 0;
 96    left: 0;
 97    border: 1px solid #fff;
 98    border-radius: 100%;
 99    box-shadow: 0 0 2px #000;
100  }
101  .color-picker\:a div {
102    z-index: 2;
103  }
104  .color-picker\:a div + div {
105    background-image: linear-gradient(45deg, #ddd 25%, transparent 25%, transparent 75%, #ddd 75%, #ddd 100%), linear-gradient(45deg, #ddd 25%, #fff 25%, #fff 75%, #ddd 75%, #ddd 100%);
106    background-size: .5em .5em;
107    background-position: 0 0, .25em .25em;
108    z-index: 1;
109  }
110  .color-picker\:h div {
111    background-image: linear-gradient(to top, #f00 0%, #ff0 17%, #0f0 33%, #0ff 50%, #00f 67%, #f0f 83%, #f00 100%);
112  }
113  .color-picker\:sv div + div {
114    background-image: linear-gradient(to right, #fff, rgba(255, 255, 255, 0));
115  }
116  .color-picker\:sv div + div + div {
117    background-image: linear-gradient(to top, #000, rgba(0, 0, 0, 0));
118  }
119  .color-picker\:h,
120  .color-picker\:sv {
121    -webkit-touch-callout: none;
122    -webkit-user-select: none;
123    -moz-user-select: none;
124    -ms-user-select: none;
125    user-select: none;
126    -webkit-tap-highlight-color: rgba(0, 0, 0, 0);
127    -webkit-tap-highlight-color: transparent;
128  }