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