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