I need help everyone and I hope that you guys would take time to read my post.

First of all, I need help in decorating a 60sqm condo unit.
1. This is my first home and me and my soon to be hubby will move in here by end of the year.
2. The theme of the condominium buildings and the overall style is indonesian-style.
3. I like sophisticated-minimalist-all-white-laidback style with a touch of happy colors and funky details. And with touch of Martha Stewart-ish type (Think Charlotte's apartment in SATC less the dark woods)
QUESTIONS:
a. can i decorate the our unit other than indonesian style? Can I veer from the indonesian-style and decorate the place my way?
b. If yes, then wouldn't it look odd that the balcony railings are brown (i can't repaint them because it will alter the look of the entire building and i am not yet sure if we're allowed to) and my unit has different theme?
c. How can I incorporate my style (as ive mentioned above) to meet the existing styles without looking odd and mismatched.

I can just go with the Indonesian theme but it's just not me. Doing so would mean nicer house but not so happy me. I want the place to reflect me.

Thanks so much in advanced!