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