Hello, and welcome once again, in this page you will learn about Typography and Text Styling and Effects.
on Every block that has children content you can find a Typography button in the Toolbar of the block, and here is where you can customize everything related to the text of that block.
you can change the Font Size, Weight and Line Height add a Text Shadow or align the text as needed, with extra options for typography styling and formatting.
and all of the options are responsive, across all the screen sizes.