your website have no any blue color on menu hover.
You are not using the Montezuma theme!
reo
(@reoleary)
Yes. They are PNG sprite images in the images folder of the theme. You would need to open them with a program like GIMP to change the colors.
They are called “icons” and “menu-icons-0090d3.png.”
Note that the best place to find out info on this theme is here:
http://forum.bytesforall.com/
This post will tell you how I change the colors for the menu icons.