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