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