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