minor zencart changes

i have a running zen cart website, and i want to make minor content and a font-size changes. changes will include: > changing the font-size > adding a list and links, on a sidebar > changing character set of the html > reset admin username and password from ftp/phpmyadmin this wont take more than 1-2 hours and i have limited budget for this > simple steps to reset admin password of zen cart.