0 0.1em;
    }
    .simple-after::after {
      content: " after "; /* [sic] leading and trailing space */
      margin:0 0.1em;
    }
    .no-space::before, .no-space::after {
      content: "nospace"; /* [sic] Unlike the others, NO extra leading/trailing space here. */
    }
    .simple-before:dir(rtl)::before {
      content: " من قبل "; /* [sic] leading and trailing space */
    }
    .simple-after:dir(rtl)::after {
      content: " بعد "; /* [sic] leading and trailing space */
    }
    .fallba