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