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