Change Text Size OnClick
Try the text size buttons on the right to see how the code works on this page. The examples listed on the right demonstrate different ways the code can be set up. The documentation includes information to help you choose the appropriate example for your purposes. A download file contains these examples.
Benefits and Features
The documentation includes basic setup information as well as guidance in the use of methods that provide precise control over font-size adjustment in your documents so as not to break your layout.