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