How to change the size of the web item text in WAD 7.0

Dear All

I am quite new to WAD and I am having a problem with changing the font size of a web text item

I have searched already and someone suggested changing the Design property to  HEADER1 or HEADER2 etc and then I should be able to change the font / size.

I have done this but to no avail

I want to have large heading across the top of the web template

am I using the wrong web item ?

I know I can key the text directly into the web template and change the font from the menu bar  but I need it in an item as I want to export them through to PDF later

Would be grateful of any help

thanks

Sandra