If you have created your site the RIGHT way, it is simple to spread some Christmas Cheer with a few color tweaks in your style sheet and the addition of a festive photo, and still maintain a professional look and feel.
To reproduce or otherwise use (the words, ideas, or other work of another) as one's own or without attribution. 2. To plagiarize the words, ideas, or work of (another person). v.intr. To present another's words or ideas as one's own or without attribution.