CSS

css counters

body {
  counter-reset: section;                    /* On initialise le compteur à 0 */
}

h3::before {
  counter-increment: section;                /* On incrémente le compteur section */
  content: "Section " counter(section) " : "; /* On affiche le compteur */
}

CSS Counters

body {
  counter-reset: section;
}

h2::before {
  counter-increment: section;
  content: "Section " counter(section) ": ";
}