body {
  margin: 0 auto;
}

#colorField {
  text-align: center;
}

#controls {
  display: flex;
  flex-direction: column;
  justify-content: space-around;
}

#hueSlider {
  width: 100%;
  margin-bottom: 40px;
}

#saturationSlider {
  width: 100%;
  margin-bottom: 40px;
}

#lightnessSlider {
  width: 100%;
  margin-bottom: 40px;
}

#startButton {
  width: 100%;
}