To change the background click on the label bar and in the layer window select the style tab.
Choose a source from the background top tab then upload an image or pick a background color.
To add a layer, click the green plus button in the left sidebar and select the type of layer.
Select any layer and you can edit its content and style properties in the layer window.
Block patterns are pre-designed groups of blocks. To add one, select the Add Block button [+] in the toolbar at the top of the editor. Switch to the Patterns tab underneath the search bar, and choose a pattern.
Twenty Twenty-One includes stylish borders for your content. With an Image block selected, open the “Styles” panel within the Editor sidebar. Select the “Frame” block style to activate it.
Twenty Twenty-One also includes an overlap style for column blocks. With a Columns block selected, open the “Styles” panel within the Editor sidebar. Choose the “Overlap” block style to try it out.