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