## Block indentation using CSS classes

This is a normal paragraph with no indentation applied.

### This heading has the `.custom-block-indent-a` class

This paragraph has the same class as the heading above, so they’re both at the same level.

#### But this heading has the `.custom-block-indent-b` class

This paragraph has the same indentation class as the heading above.

This paragraph has the `.custom-block-indent-c` class. This is the maximum indentation level allowed in the configuration.