/* Taken from https://codepen.io/X-Raym/pen/dBprG */

body {
    counter-reset: h2;
}

h2 {
    counter-reset: h3;
}

h3 {
    counter-reset: h4;
}

h4 {
    counter-reset: h5;
}

h5 {
    counter-reset: h6;
}

article.count h2:before {
    content: counter(h2,decimal) ". ";
    counter-increment: h2;
}

article.count h3:before {
    content: counter(h2,decimal) "." counter(h3,decimal) ". ";
    counter-increment: h3;
}

article.count h4:before {
    content: counter(h2,decimal) "." counter(h3,decimal) "." counter(h4,decimal) ". ";
    counter-increment: h4;
}

article.count h5:before {
    content: counter(h2,decimal) "." counter(h3,decimal) "." counter(h4,decimal) "." counter(h5,decimal) ". ";
    counter-increment: h5;
}

article.count h6:before {
    content: counter(h2,decimal) "." counter(h3,decimal) "." counter(h4,decimal) "." counter(h5,decimal) "." counter(h6,decimal) ". ";
    counter-increment: h6;
}