*,
*:before,
*:after {
  box-sizing: border-box;
}

body {
  font-family: Tahoma;
  font-weight: bold;
  font-size: 10pt;
}

#controls {
  display: inline;

  position: fixed;
  bottom: 1rem;
  left: 50%;

  background-color: #fff;
  padding: 0.5rem 1rem;
  border: 2px solid #000;

  z-index: 99;
  transform: translateX(-50%);
}

#controls > div:not(:last-child) {
  margin-bottom: 0.2rem;
}

#controls label {
  display: inline-block;
  text-align: right;
  width: 5rem;
  margin-right: 0.3rem;
}

.jscolor {
  cursor: pointer;
  border: 1px solid rgb(83, 83, 83);
}

#c {
  position: fixed;

  background-image: url('background.jpg');
  background-position: center;

  top: 50%;
  left: 50%;

  image-rendering: pixelated;

  transform: translate(-50%, -50%);
}