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