CSS Borders

border-width:1px;
border-style:solid;
border-color:#ff6600;

border-width:thick;
border-style:dotted;
border-color:#ff6600;

border-top-width:thick;
border-right-width:thin;
border-bottom-width:thin;
border-left-width:thick;
border-style:dashed;
border-color:#ff6600;

border:5px solid #ff6600

Inline content can also have a border around it.

There is a bug in Internet Explorer 6 and earlier: Dotted 1px borders appear as dashed.