Follow the dress code, and if it involves strict classical costumes, do not neglect the terms and conditions do not come in a turtleneck and jeans. Makeup should be light and does not cause the nails - neat hair - clean and beautifully styled.
Do not participate in spreading gossip and rumors about employees of your company or department. If you necessarily been drawn into a conversation about them, did not express any judgment in favor of any discussion, either in support of gossiping. It is better to avoid it and do their business.
In the work on a common project responsibilities of all stakeholders should be clearly delineated. So do not be tempted to colleagues (especially if you are a beginner) to hang up on you all the works, reports, market analysis and project plan. Check with your job description and try to do a good job. And that's really in your spare time, you can always help colleagues.
In any office there are rituals tea and snacks, corporate parties and events. And you have to support them. For example, on certain days to buy sugar or entertain colleagues cookies and pies grandmother. Nothing wrong with that, and you will improve your relationships with colleagues when work will bring cake and birthday Treat snacks. As for corporate events, do not refuse to play the role of the Snow Maiden or Baba Yaga on the New Year's holiday, offer interesting drinking games, make their own hands props for competitions.
Try to be polite and helpful with any member of your team, even if it is unpleasant to you. Hold back during the conflict, and in any case does not raise your voice, speak convincingly, clearly, and if you realize that you lose the dispute, complete it with dignity, agreeing with the person and apologize for making a mistake.