/indra/newview/skins/default/xui/en/widgets/view_border.xml

 1<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
 2<view_border name="view_border" 
 3             highlight_light_color="DefaultHighlightLight"
 4             highlight_dark_color="DefaultHighlightDark"
 5             shadow_light_color="DefaultShadowLight"
 6             shadow_dark_color="DefaultShadowDark"
 7             border_thickness="1"
 8             border_style="line"
 9             bevel_style="out"
10             mouse_opaque="false"
11             follows="all"/>