These are common problems. Time to switch to another company - seriously. Browser font size is set too large. Your Internet browser has a display font size setting. If it is set too large, various internet pages will not be be displayed properly.
Monitor is inadequate for internet viewing.
The Web is geared to computer technology standards and the most common viewing resolution is now 800x600. A monitor usually far outlasts the computer, so it is well worth investing in a good monitor for the years that you will be staring at it. As long as your video card has at least 1 mb RAM then you can set your resolution to 800 x 600 at 16 bit colour for pleasing results. You are not using Netscape as your browser. Lifesite is designed to Netscape standards although much of LifeSite can be viewed well in Internet Explorer.