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