Textbox Code Snippet Styling

 Hi there,

I am looking at creating a textbox that i can past code snippets in on my site and maintain the look much like shown in the link below:

(please ignore the tabs i do not require these)

http://www.visualstudiotutorials.com/frmSample.aspx?csid=csidsmynl633464649io4995

how is the best way possible to create a textbox to achieve this look, alot of css ?

I look forward to your replies

Thanks
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