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