Once you opt for the 'Square Letterbox' format, you might come across the requirement to change the letterbox padding color. This can be easily achieved with just a few clicks. This can be very helpful with regard to brand building.
To change the color of the padding, follow the steps below -
Step 1: Click on the ‘settings’ icon on the top left editing view
Step 2: Select the color icon under ‘Background’.
Step 3: Click the + icon to choose and add color to your project. Once this is done you'll notice that this has been added as the color of the padding to your video.