Ghost buttons, or empty buttons, are a trend that have really come into being through necessity – the use of large background images requires information elements that don’t obscure large areas of the image, and ghost buttons with their no fill, and usually thin border and small text fit the bill perfectly.
How many times have you compromised the sleek and beautiful design of a website for the sake of social integration? I bet this is not a new dilemma for a web designer.
By default, buttons are boring. There is not point in sugar coating it. But, if you add just a few lines of CC to animate the buttons a tad the button will breath new life.