Very functional. I love everything about this theme.

Love the colors!

I agree with Latte-Art that the beautiful flower and background colors do not block the lettering and buttons. This is very beautiful artwork. Great job!

This looks great on the FireFox and I like the colours used with the flower

Perfect for Firefox 29. The flower is discrete enough that it doesn't hide the buttons on the upper right toolbar.
The overall color is also dark enough that I am not forced to squint and see where my tabs went, yet light enough to decipher the writing.