Text size of Web pages can be changed accordingly by changing your browser settings.
Please note:
Select “Text Size” under the “View” menu, and select text size option from “Largest”, “Larger”, “Medium”, “Smaller”, “Smallest”.
ex. Windows XP / Internet Explorer 8
Select “Zoom” under the “View” menu, and adjust text size by selecting “Zoom In” or “Zoom Out” option.
ex. Windows XP / Firefox 3.6