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