Element block pseudo-element :after generated with border-radius overflow hidden position absolute text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3) width 160px line-height 1 z-index auto transition padding 20px margin 0px height auto font-size 11px transform cursor default border 0px rgba(0,0,0,1) solid font-weight normal box-sizing border-box display inline-block float none background