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