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