What is this in CSS

[dreamtrackd]

Things I have tried

I’m currently using minimal theme and I modified some CSS, specifically making fonts bigger, for comfortable reading.
After I did it, all of button container(e.g. view backlink pane button) moved down a little.
It touches the top line of sidebar pane and it is annoying me so bad.

What I’m trying to do

I have checked CSS lines in minimal theme to arrange the buttons up, but I can’t find what CSS components I should change.
How can I move the buttons up?
Thanks.

[ryanjamurphy]

I’m not sure offhand, but have you tried using the inspector to look for the selectors?

See Getting comfortable with Obsidian CSS

[dreamtrackd]

Your recommendation is so helpful.
I figure out what the button is.
Thanks