*, *::before, *::after {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
  background-color: rgb(255, 255, 255); /* Matches your DISPLAY_BG */
}

/* This container will hold and center our canvas */
#canvas-container {
  display: flex;
  justify-content: center; /* Center horizontally */
  align-items: center;    /* Center vertically */
  width: 100vw;
  height: 100vh;
}

/* Optional styling for the canvas itself */
canvas {
  display: block; /* Removes tiny space below the canvas */
  max-width: 100%;  /* Failsafe to ensure canvas doesn't overflow container */
  max-height: 100%; /* Failsafe to ensure canvas doesn't overflow container */
}