django 1.5 not getting css

Hi everyone.

Anybody can tell me why I can get css on my flatpage /home/ ?

http://dpaste.com/hold/1066757/  ----->   this is the html of the page

http://dpaste.com/hold/1067747/  -------> this is the css styles

http://dpaste.com/hold/1066760/   ------>    settings.py 

http://s22.postimg.org/78tbfibzl/Picture_2.png   ------>  folder estruture

thank you

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