Element block pseudo-element :before generated with background padding 20px display block width 160px transition font-weight normal overflow hidden font-size 16px box-shadow 1px 1px 1px rgba(0,0,0,0.3) transform box-sizing content-box cursor default height auto margin 0px text-shadow 2px 2px 2px rgba(0,0,0,0.5) z-index auto border-radius float none border 0px rgba(0,0,0,1) solid line-height 1 position static