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

.container {
  width: 100vw;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
}

.canvas {
  position: absolute;
}

.canvas--shape {
  z-index: 1;
  opacity: 0;
}