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