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