Header in profiles / making the drop-down boxes in the advance search bigger

Greetings all,

How can i create a headers in a profile, i want to give it a more organized look:

Example: i have 3 Q. & A. about smoking, drinking, sporting and i want to give it a header health. So the layout would look like this:
Health
I smoke: not
I drink: not
I sport: 3 days a week

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Is there a way to make the drop-down boxes in the advance search bigger?

Thanks in advance,
Ivo