Here is a cool trick. Put your one finger on the ctrl button and put 2 finger's on the scroll bar and drag down. The whole page zoom's in. But I'm guessing you want the type in general larger. I have a mac (apple) if you have windows, its different. I think you go to start, then control, appearance & personalization. In the left pane, click Adjust font size. If you are prompted for an administrator password or confirmation, type the password or provide confirmation. In the DPI Scaling dialog box, do one of the following:
To increase the size of text and other items on the screen, click Larger scale (120 DPI)–make text more readable, and then click OK
To increase the size of text and other items on the screen, click Larger scale (120 DPI)–make text more readable, and then click OK