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