Go to: Under Theme Settings I click on either
Modify the index template. (the main template)
or
Modify the style.css file. (colors, fonts, etc.)
Fine but where, I must be blind cause I can't find it anywhere.
(https://www.simplemachines.org/community/proxy.php?request=http%3A%2F%2Fimg308.imageshack.us%2Fimg308%2F8383%2Fimage38xc.gif&hash=8912dca23bc78c1e5943011da0474fa32c3ac26d)