powerpoint for Mac version 16.51 [duplicate]

Here is my CustomLayout. I have edited the text-holder by selecting the particular lines and changing its formatting to look something like this:

enter image description here

In my normal slides, I can type within the placeholder. To trigger the formatting of Level 2 and the others, I'll have to indent the line by pressing TAB on my keyboard. My final result looks something like this:

enter image description here