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