To modify the background:
1. First, click to select a block.
2. Next, click Background in the left menu panel.
3. Then, select a pattern or texture. You can also choose a Background Color (found above the patterns / textures) and decide on a color from our palette which complements your content!
You can also choose your own color if you wish, by entering a hex code from a color picker resource. Have experimenting with your backgrounds! :)