.mesh {
  fill: none;
  stroke: #333;
  stroke-width: .5px;
  stroke-linejoin: round;
}

.play circle {
  fill: white;
  stroke: black;
}

.play.mousedown circle {
  fill: green;
  fill-opacity: 0.5;
}

.play.mousedown path {
  fill: white;
}

.play rect {
  fill: none;
  pointer-events: all;
  cursor: pointer;
}

.ring {
  fill: none;
  stroke: red;
  stroke-width: 3px;
  stroke-linejoin: round;
}

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