function drawBackground() {
  background(Koji.config.general.backgroundColor);

  if (imgBackground) {
    const originalRatios = {
      width: width / imgBackground.width,
      height: height / imgBackground.height
    };

    const coverRatio = Math.max(originalRatios.width, originalRatios.height);
    const newImageWidth = imgBackground.width * coverRatio;
    const newImageHeight = imgBackground.height * coverRatio;

    image(imgBackground, width / 2 - newImageWidth / 2, height / 2 - newImageHeight / 2, newImageWidth, newImageHeight);
  }
}