CVs styles come in a wide variety of shapes, styles and formats, ranging from the big, long and bold, to the short, neat and tidy.
Some people will tell you in no uncertain terms that your CV needs to be one particular style, with a particular font, of a certain size in an exact order. However, this just isn't the case. At the end of the day, beauty is in the eye of the beholder, and CVs just like any other written document are subjective to some degree. So whilst most employers prefer something neat and compact, this doesn't mean to say that some other employers may prefer something with large pink headers.