#layers {
  position: relative;
}
#axesCanvas {
  background-color: #000000;
}
#dataCanvas {
  position: absolute;
  left: 0px;
  top: 0px;
  z-index: 1;
  touch-action: none;
  user-select: none;
  -webkit-user-select: none;
}
input[type="range"] {
  vertical-align: middle;
}
input[type="checkbox"] {
  position: relative;
  top: 1px;
}

.legend {
  list-style-type: none;
  padding-left: 0px;
  display: inline-block;
}
.legend>li {
  margin-left: 1em;
  display: inline-block;
}
.legend>li::before {
  content: "\2022";
  display: inline-block;
  width: 1em;
  font-weight: bold;
}
.red-dot::before {
  color: #ff0000;
}
.green-dot::before {
  color: #00ff00;
}
.white-dot::before {
  color: #ffffff;
}