color is passed to the css background-color property. The optional border argument is the css description (e.g. 1px solid #aaa) of the border that will be drawn around the box.
[[Image:Celts in Europe.png|200px|thumb|right|The Celts in Europe, past and present:
{{legend|#1a8000|present-day Celtic-speaking areas}}
{{legend|#27c600|other parts of the six most commonly recognized 'Celtic nations' and where a
Celtic language is spoken but not the dominating language}}
{{legend|#97ffb6|other parts of Europe once peopled by Celts; modern-day inhabitants of many of
these areas often claim a Celtic heritage and/or culture}}
]]
The Celts in Europe, past and present:
present-day Celtic-speaking areas
other parts of the six most commonly recognized 'Celtic nations' and where a Celtic language is spoken but not the dominating language
other parts of Europe once peopled by Celts; modern-day inhabitants of many of these areas often claim a Celtic heritage and/or culture
