/indra/newview/skins/default/xui/en/panel_generic_tip.xml

<?xml version="1.0" encoding="utf-8" standalone="yes" ?>
<panel
 height="40"
 layout="topleft"
 left="0"
 name="panel_generic_tip"
 top="0"
 width="305">
    <text
     follows="all"
     font="SansSerif"
     height="20"
     layout="topleft"
     left="10"
     max_length="350"
     name="message"
     text_color="white"
     top="10"
     use_ellipses="true"
     value=""
     width="285"
     wrap="true" />
</panel>