Need Help,I added this theme Blackjack

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Can someone help , i added this theme http://custom.simplemachines.org/themes/index.php?lemma=2360 Not sure if this theme will work with the 2.0.8 version as i believe that blackjack theme is a 2.0.6 theme...I added everything that was there,, the issue is about half of the css colors are there,, When i refresh page very now and then i see the actual colors that should be there then they disappear quickly 

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i removed the files back to default theme ..... I do have this question, Should i have of added the new theme through the theme installer ? if so i have not yet the will to try it. Can someone guide me please.

[Yes-U-Can]

Got it !!!!!!! woooop wooooooop happy camper woooop wooooop