First of all congratulation for clearing css examz. As for as ur interview is concerned, i know that a person who can cleared the test can easily be able to CLEAR interview too. The most important thing in my opinion are;

1. UR confidence level
2. UR Intellegency (IQ)
3. UR knowledge (As second proof of ur intellectuallity)

I wish u best of luck for ur future and i hope u'll continuously put ur worthiest threads on the forum and even be source of facilitator for US!!!!
Best of luckk!! miss. Aminah