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