As i dont know what broswer you have i will tell you how to make text bigger on IE, Firefox and opera

[http://www.bbc.co.uk/accessibility/win/seeing/text/browser/firefox2.shtml][1]
[http://www.bbc.co.uk/accessibility/win/seeing/text/browser/explorer7.shtml][2]
[http://www.bbc.co.uk/accessibility/win/seeing/text/browser/opera9.shtml][3]


  [1]: http://www.bbc.co.uk/accessibility/win/seeing/text/browser/firefox2.shtml
  [2]: http://www.bbc.co.uk/accessibility/win/seeing/text/browser/explorer7.shtml
  [3]: http://www.bbc.co.uk/accessibility/win/seeing/text/browser/opera9.shtml
Or you can hold down "crtl" and move the mouse wheel backwards and forwards to adjust text size