The "border-style" property is not recognized by Netscape 4.
Netscape 6 supports all border styles.
Internet Explorer 5.5 supports all border styles. Internet Explorer 4.0 - 5.0 do not support the "dotted" and "dashed" values
A dotted border
A dashed border
A solid border
A double border
A groove border
A ridge border
An inset border
An outset border