* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  background: #000;
}

main {
  width: 100%;
}

canvas {
  display: block;
  margin: 0;
  padding: 0;
  border: none;
  max-width: 100vw;
}