To change the text size you can use your web browser's settings. Most browsers include functionality to let you increase or decrease the text on a web page. For example, to increase text size using:

Chrome
In the menu to the right of the address bar, select and set Zoom level. Menu > Zoom > +

Firefox
In the View menu, select Zoom. View > Zoom > Zoom In

Internet Explorer
In the View menu, select Text Size. View > Text Size > Largest

Safari
In the View menu, select Zoom In. View > Zoom In Macintosh Shortcut: Command+