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