Border

You can find border property field in Widget panel/Advanced

border

Solid border
2px solid #000

ScrSht 2015-01-12 at 18.14.05

Dotted border
2px dotted #000
ScrSht 2015-01-12 at 18.15.44

Dashed border
5px dashed #000

ScrSht 2015-01-12 at 18.16.23

Double border
3px double #000

ScrSht 2015-01-12 at 18.16.46