I made Rounded-ness up for lack of a better word. Check out
https://parse.com/ or
http://www.hipmunk.com/
The look and feel is close to your button on the bottom of your main page. Rounded corners, bold fonts, subtle gradients, drop shadows, icons with depth and shine elements. The button is fine, but the chart on your front page looks more Windows-XP while sites these days take their cues from iOS.