body {
  margin: 0;
  font-family: sans-serif;
}

#canvas {
  background-color: gray;
  position: fixed;
  left: 0;
  right: 0;
  width: 100%;
  height: 100vh;
}

.controls {
  z-index: 9999;
  background-color: rgba(255, 255, 255, 90%);
  border-radius: 5px;
  padding: 5px;
  position: fixed;
  right: 10px;
  top: 10px;
}

.stack {
  display: flex;
  flex-direction: column;
}

.labeled-grid {
  display: grid;
  grid-template-columns: auto auto;
  grid-gap: 5px 5px;
  justify-items: start;
}

.labeled-grid > label {
  justify-self: end;
}