You can change the color of the background by following these steps:

Step 1: Insert a Shape

• Open the page and click on Elements in the left corner.
• Select a shape from the available options.

Step 2: Cover the Page

• Drag and drop the shape onto your page.
• Resize the shape by pulling the blue circles around it until it fully covers the background.

Step 3: Choose a Color

• On the top corner of the page, locate the Fill
• Under fill, select a preset color, or click Customize to add a color of your choice.

Step 4: Save Your Work

• Click Save to apply and retain the updated background color.