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