* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
}

.matter-demo.matter-demo-inline {
  height: 100vh;
  width: 100vw;
}

.matter-demo canvas {
    width: 100%;
    height: auto;
    max-width: unset;
    max-height: unset;
}