how to change font size of price ?

[Pen Phirun]

1. I explained to you in previous messages where you could change the style sheets.
2. Unfortunately I don't see these problems (on screens) in your site.
3. Could you please explain us in more details what do you want to change?

sorry i want to change is amount of field price from font normal to font bold and increase size 1 or 2.
please see my picture:
amount of price.JPG
thanks,
phirun.