Wrapper block

Inner blocks: add any blocks inside the wrapper.
Background: background color for the wrapper.
Padding: space inside the wrapper.
Spacing: space above and below the wrapper.

The Wrapper block (shown as Block Wrapper in the editor) groups other blocks so they share one background and padding.

Main settings

Open the page or post in the block editor and click the + (block inserter) button.
Search for Wrapper and choose the Roobely Wrapper block.
Add the blocks you want to group inside the wrapper.
Set the background color and padding.
Click Update or Publish, then preview the page to check it on desktop and mobile.