Use the following CSS to give the field input text and dropdowns a bit more oomph:
/*Customize Form Input Field Text and Dropdowns*/select, .horizontal_container .field_block input, .horizontal_container .field_block textarea{ color:#f00f00; font-size:16px; font-weight:bold; font-family: Arial, Helvetica, sans-serif; }
As always, here are a few resources to help you customize the CSS and make it your own:
Web-safe font guide: http://www.w3schools.com/cssref/css_websafe_fonts.asp
Both of the above guides are provided by w3schools.com.