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