#histogramSlider {
  max-width: 400px;
  margin: auto;
}

.display-none { display: none; }

.bin {
  position: relative;
  margin-right: 1px;
}

.in-range { background-color: #0079BA; }

.out-of-range { background-color: #DBE0E2; }

.optimalRange.in-range { background-color: #01E2D4; }

.optimalRange.out-of-range { background-color: #caf9f6; }

.ui-slider-horizontal { height: .2em; }

.ui-slider .ui-slider-handle {
  width: .8em;
  height: .8em;
  border-radius: 50%;
}