How to change text margin or use blog format for only one page

I need help setting up a nice and neat VLOG page for my videos and short texts.
Right now I have a page called ‘vlog’ and as you can see the text spans over the whole page and it does not look very nice. How can I change the margins of the text for just the page ‘vlog’ or if I would make a post out of it how can I make a blog format only for that page?

Sorry for the delay here.

Do you still need assistance here or have you managed to resolve it?

Yes, still need help on this .

It seems you have already created below topic for this same question so let’s resolve it there instead of this duplicate topic.