draw(context: CanvasRenderingContext2D) {
    const {visibleArea} = this;

    context.fillStyle = COLORS.BACKGROUND;
    context.fillRect(
      visibleArea.origin.x,
      visibleArea.origin.y,
      visibleArea.size.width,
      visibleArea.size.height,
    );
  }
View that fills its visible area with a CSS color.