Background colors look really good, but can be more careful if the page is loaded. Keep it simple really is the best way, and I must say, the color and underlined, less is more, in most cases we do. In the first case, you know you want high quality, low volume and you get a second reduction in the number of higher quality. Both have their own thoughts. In other words, first spend some time reading and links to calculate the type of what you want.