counter-increment

Ordered lists aren’t the only elements that can be automatically numbered. Thanks to the various counter-related properties, any element can be.

<body>
  <section></section>
  <section></section>
  <section></section>
  <section></section>
</body>
body {
  counter-reset: my-awesome-counter;
}
section {
  counter-increment: my-awesome-counter;
}
section:before {
  content: 
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