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