<!DOCTYPE html>
<html lang="ru">
<head>
  <title>Кастомные маркеры — Псевдоэлементы — Дока</title>
  <meta charset="utf-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <style>
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    body {
      min-height: 100vh;
      padding: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #18191C;
      font-family: s