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