Internet font too small to read, how to change font size?

internet font too small to read, how to change font size? This is the current size.Internet font too small to read, how to change font size?
While the page is displayed, hold down the CTRL key and then rotate the mouse wheel 1 click at a time. Moving it towards yourself will increase the font size, the other direction will make the font smaller. This action provides about 4 font sizes to set you pages to be in.