A BORDER is the edge along a flower bed or a strip of wallpaper.
VOILA is a French word meaning literally, "Look there!" Voila is intended to call attention to something that appears almost as if by magic. It really should have the little diacritical mark over the a, but I can forgive that. Just don't spell it viola -- that's a flower, or a musical instrument.
You're is a contraction of you are.
Speak the sentence aloud using you are if you're not sure which to use in your blog.
If you see a mistake in my blogs please, please tell me. I'm much better at proof-reading the work of others.