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