.color-picker {
  display: block;
  overflow: hidden;
  width: 200px;
  height: 200px;
  position: relative
}

.color-picker:focus {
  outline: 0
}

.color-picker:focus .knob {
  box-shadow: 0 0 30px rgba(0, 0, 0, .38), 0 0 15px rgba(0, 0, 0, .48)
}

.color-picker, .color-picker .knob, .color-picker .palette, .color-picker .ripple, .color-picker .rotator, .color-picker .selector {
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
  box-sizing: border-box
}

.color-picker .knob:before, .color-picker .palette:before, .color-picker .ripple:before, .color-picker .rotator:before, .color-picker .selector:before, .color-picker:before {
  box-sizing: border-box
}

.color-picker .palette {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  height: 100%;
  background-size: 100% 100%;
  border-radius: 50%;
  overflow: hidden;
  will-change: transform, opacity;
  transition: transform .5s cubic-bezier(.35, 0, .25, 1), opacity .5s cubic-bezier(.35, 0, .25, 1)
}

.color-picker .palette:before {
  content: "";
  display: block;
  position: absolute;
  width: 76%;
  height: 76%;
  top: 12%;
  left: 12%;
  background-color: #fff;
  border-radius: 50%
}

.color-picker .palette.is-in {
  transform: scale(1);
  opacity: 1
}

.color-picker .palette.is-out {
  transform: scale(0);
  opacity: 0
}

.color-picker .rotator {
  width: 100%;
  height: 100%;
  position: absolute
}

.color-picker .rotator.dragging {
  z-index: 1
}

.color-picker .rotator.disabled {
  pointer-events: none
}

.color-picker .knob {
  box-shadow: 0 0 10px rgba(0, 0, 0, .12), 0 0 5px rgba(0, 0, 0, .16);
  border-radius: 50%;
  position: absolute;
  width: 7%;
  height: 7%;
  top: 2.5%;
  left: 46.5%;
  background-color: #fff;
  transition: transform .4s cubic-bezier(.35, 0, .25, 1);
  outline: 0;
  border-style: none
}

.color-picker .knob.is-in {
  transform: scale(1)
}

.color-picker .knob.is-out {
  transform: scale(0)
}

.color-picker:not(:focus) .knob:hover {
  box-shadow: 0 0 50px rgba(0, 0, 0, .19), 0 0 15px rgba(0, 0, 0, .24)
}

.color-picker .selector {
  position: absolute;
  width: 25%;
  height: 25%;
  top: 37.5%;
  left: 37.5%;
  padding: 0;
  margin: 0;
  border-radius: 50%;
  background-color: red;
  outline: 0;
  cursor: pointer;
  transition: transform .7s cubic-bezier(.35, 0, .25, 1);
  will-change: transform;
  overflow: visible;
  border: 6px solid #fff;
  box-shadow: 0 0 0 1px #b2b2b2
}

.color-picker .selector::-moz-focus-inner {
  border: 0
}

.color-picker .selector:hover {
  box-shadow: 0 0 1px 1px #333
}

.color-picker .selector:focus {
  box-shadow: 0 0 1px 2px #b2b2b2
}

.color-picker .selector.is-pressed {
  animation: b .4s cubic-bezier(.35, 0, .25, 1) forwards
}

.color-picker .ripple {
  width: 20%;
  height: 20%;
  border-radius: 50%;
  border: 8px solid red;
  opacity: 0;
  position: absolute;
  top: 40%;
  left: 40%;
  z-index: -1
}

.color-picker .is-rippling {
  z-index: 0;
  animation: a .5s cubic-bezier(.35, 0, .25, 1) forwards
}

@keyframes a {
  0% {
    transform: scale(1);
    opacity: .3
  }
  50% {
    opacity: .1
  }
  to {
    opacity: 0;
    border-width: 0;
    transform: scale(3.8)
  }
}

@keyframes b {
  0% {
    transform: scale(1)
  }
  25% {
    transform: scale(.8)
  }
  50% {
    transform: scale(1)
  }
  to {
    transform: scale(1)
  }
}