html,
body {
  margin: 0;
  overflow: hidden;
}

body {
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.main {
  display: flex;
  width: 100%;
}

.controls {
  display: flex;
  flex-direction: column;
  display: flex;
  justify-content: center;

  width: 50%;
  margin: 0 1rem 0 2rem;

  font: small-caption;
  text-align: center;
}

.canvas {
  width: 50%;
  height: 100vh;
  margin: 0 0 0 1rem;
  background: #111;
}

/* Controls grid*/
.group {
  border-radius: 5px;
  border: 2px solid #E00;
  padding: 0.5rem;
}

h3 {
  font-size: 0.8rem;
  font-weight: bold;
  font-family: sans-serif;
  text-transform: uppercase;
}
.row {
  display: flex;
}

.full-width {
  flex: 1;
}

.half-width {
  flex: 50%;
}

.one-third {
  flex: 33%;
}

.two-thirds {
  flex: 66%;
}

.spacer {
  height: 5rem;
}

/* Control Box */
.controlBox {
  padding: 1rem;
  border: 2px solid #333;
  border-radius: 5px;
  margin: 0.5rem;
  background: #EEE;
}

.controlBox.centered {
  padding-top: 2rem;
}
.label {
  display: block;
  height: 1.5rem;
  font-size: 0.8rem;
  margin-bottom: 1.3rem;
}

.label strong {
  display: block;
  font-size: 1.3rem;
  padding-top: 0.5rem;
}

.slider {
  display: block;
  margin: 2.5rem 0.5rem 0.5rem;
}

.slider.ui-slider-horizontal {
  height: 3px;
  background: #000;
  border-width: 0 !important;
  border-radius: 5px;
}

.slider span.ui-slider-handle {
  height: 1rem;
  width: 1rem;
  top: 50%;
  margin-top: -0.6rem;
  background: #E00;
  border: 2px solid #E00;
  border-radius: 50%;
  cursor: pointer;
}