body {
  margin: 1em;
}

canvas {
  /* border: 1px red dashed; */
  margin: 0.5em;
}

button {
  margin: 0.25em;
}

.drawing.container {
  /* border: 1px black solid; */
  display: inline-block;
  margin: 1em;
}

.drawing > .title {
  font-size: large;
}

.drawing > .caption {
  font-size: small;
  text-align: center;
}