.@{prefixClass}-panel-board {
  position: relative;
  font-size: 0;
  user-select: none;
  margin: 8px 10px 0;
  span {
    position: absolute;
    border-radius: 10px;
    border: 1px solid #fff;
    width: 9px;
    height: 9px;
    margin: -4px 0 0 -4px;
    left: -999px;
    top: -999px;
    box-shadow: 0 0 1px rgba(120, 120, 120, 0.7);
    z-index: 2;
  }
  &-hsv {
    width: 200px;
    height: 150px;
    position: relative;
    z-index: 1;
    border-radius: 2px;
  }
  &-value {
    border-radius: 2px;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: 2;
    background-image: linear-gradient(to bottom, transparent 0%, #000 100%);
  }
  &-saturation {
    border-radius: 2px;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top: 0;
    z-index: 1;
    background-image: linear-gradient(to right, #fff 0%, transparent 100%);
  }
  &-handler {
    box-shadow: 0 0 2px #808080 inset;
    border-radius: 2px;
    cursor: crosshair;
    user-select: none;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3;
  }
}