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