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