Adjust the Container's Background Color/Opacity

1. Select Design in the gray navigation bar.

2. Navigate to your desired page using your site's navigation

3. On the righthand side, select the "Page" tab

4. Select the block title that you're changing

5. From here, find the Container dropdown near the bottom

7. Now, select your desired color and opacity to accomplish the look you like

Note: Background colors with decreased opacity can show a custom image background underneath it.

8. Select Save and Publish to make it live