A javax.swing.border.BevelBorder with type BevelBorder.LOWERED, a border that looks recessed into the panel.
loweredBevelBorder() takes no value arguments.
If either shadow: or highlight: are specified, both must be specified.
If any of shadowInner:, shadowOuter:, highlightInner:, or highlightOuter are specified, all must be specified.
The attributes shadow: and highlight: are mutually exclusive to shadowInner:, shadowOuter:, highlightInner:, and highlightOuter:.
loweredBevelBorder() is a leaf node, no child content is allowed.