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