body {
        counter-reset: mySectionCounter;
    }

    h1:before {
      counter-increment: mySectionCounter;
      content: 'ARTICLE ' counter(mySectionCounter, upper-roman) ' - ';
    }

    h1 {
        counter-reset: mySubSectionCounter;
    }

    h1:after {
    }

    h2:before {
      counter-increment: mySubSectionCounter;
      content: 'Section ' counter(mySectionCounter, decimal) '.' counter(mySubSectionCounter, decimal) ': ';
    }

    h2 {
    }