Both of these actions are controlled by rules determined in a style sheet. First, let's take a look at the style sheet. The rules of this style sheet will dictate what happens when the mouse rolls over elements on the page and inline JavaScript will apply the rules. Borders can also be dotted, dashed, double, groove, ridge, inset, and outset. The borders will be thin.
Borders can also be thick.
Multiple values are set in order of preference. The desired font here is Verdana. If Verdana is not found, Arial will be used, and so forth in order of preference. If none of the styles listed are encountered, a generic sans-serif face will be used. This can be expressed numerically from 100 to 900 as well.