Element block pseudo-class :active generated with padding 20px height auto width 160px font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) transition line-height 1 cursor default z-index auto border-radius display block font-weight normal box-sizing content-box margin 0px transform position static background overflow hidden border 0px rgba(0,0,0,1) solid float none text-shadow 1px 1px 1px rgba(0,0,0,0.2)