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