html,
body {
  margin: 0;
  padding: 0;
}

canvas {
  display: block;
  background-color: #222;
}

.brainNode {
  border-radius: 50%;
  display: inline-block;
  height: 3vmin;
  width: 3vmin;
  text-align: center;
  transition: opacity 0.5s;
  /* trigger hardware acceleration */
  -webkit-transform: translate3d(0, 0, 0);
  -webkit-transform: translateZ(0);
  -webkit-transform-style: preserve-3d;
  will-change: transform;
  -webkit-backface-visibility: hidden;
}

#nodeHolder {
  position: absolute;
  top: 0;
  transition: opacity 0.5s;
  line-height: 0;
}

.switch {
  position: relative;
  display: inline-block;
  width: 60px;
  height: 34px;
}

.switch input {
  display: none;
}

.slider {
  position: absolute;
  cursor: pointer;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background-color: #ccc;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}

.slider:before {
  position: absolute;
  content: "";
  height: 26px;
  width: 26px;
  left: 4px;
  bottom: 4px;
  background-color: white;
  -webkit-transition: 0.4s;
  transition: 0.4s;
}

input:checked + .slider {
  background-color: #55ff55;
}

input:focus + .slider {
  box-shadow: 0 0 1px #55ff55;
}

input:checked + .slider:before {
  -webkit-transform: translateX(26px);
  -ms-transform: translateX(26px);
  transform: translateX(26px);
}

.slider.round {
  border-radius: 34px;
}

.slider.round:before {
  border-radius: 50%;
}

#toggleConnectome {
  position: absolute;
  bottom: 10px;
  left: 10px;
  z-index: 10;
}

#githubButton {
  position: absolute;
  display: inline-block;
  height: 30px;
  bottom: 10px;
  right: 10px;
}

#buttons {
  position: absolute;
  display: inline-block;
  bottom: 0px;
  left: calc(50% - 40px);
  cursor: pointer;
}

.noselect {
  -webkit-touch-callout: none;
  -webkit-user-select: none;
  -khtml-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

#wormSize {
  position: absolute;
  bottom: 10px;
  right: 70px;
  padding: 5px;
  border-radius: 20px;
  background-color: #333;
  color: white;
  font-size: 16px;
  text-align: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}