Element block pseudo-class :active generated with font-size 16px z-index auto border-radius float none border 0px rgba(0,0,0,1) solid box-shadow 3px 3px 4px rgba(0,0,0,0.4) padding 20px box-sizing content-box display block margin 0px overflow hidden cursor default height auto background transition line-height 1 transform position static width 160px font-weight normal text-shadow 1px 1px 1px rgba(0,0,0,0.2)