Код IT Загрузка примера кода…

HTML main.html 
<!DOCTYPE html>
<html lang="ru">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Сетка карточек</title>
  <script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="bg-slate-50 p-5">
  <h1 class="text-2xl font-bold text-slate-900">Каталог</h1>
  <div class="mt-4 grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
    <article class="rounded-xl border border-slate-200 bg-white p-4 shadow-sm">
      <h2 class="font-semibold">Товар A</h2>
      <p class="mt-1 text-sm text-slate-600">Описание.</p>
    </article>
    <article class="rounded-xl border border-slate-200 bg-white p-4 shadow-sm">
      <h2 class="font-semibold">Товар B</h2>
      <p class="mt-1 text-sm text-slate-600">Описание.</p>
    </article>
    <article class="rounded-xl border border-slate-200 bg-white p-4 shadow-sm">
      <h2 class="font-semibold">Товар C</h2>
      <p class="mt-1 text-sm text-slate-600">Описание.</p>
    </article>
    <article class="rounded-xl border border-slate-200 bg-white p-4 shadow-sm">
      <h2 class="font-semibold">Товар D</h2>
      <p class="mt-1 text-sm text-slate-600">Описание.</p>
    </article>
  </div>
</body>
</html>
<!DOCTYPE html>
<html lang="ru">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Сетка карточек</title>
  <script src="https://cdn.tailwindcss.com"></script>
</head>
<body class="bg-slate-50 p-5">
  <h1 class="text-2xl font-bold text-slate-900">Каталог</h1>
  <div class="mt-4 grid gap-4 sm:grid-cols-2 lg:grid-cols-3">
    <article class="rounded-xl border border-slate-200 bg-white p-4 shadow-sm">
      <h2 class="font-semibold">Товар A</h2>
      <p class="mt-1 text-sm text-slate-600">Описание.</p>
    </article>
    <article class="rounded-xl border border-slate-200 bg-white p-4 shadow-sm">
      <h2 class="font-semibold">Товар B</h2>
      <p class="mt-1 text-sm text-slate-600">Описание.</p>
    </article>
    <article class="rounded-xl border border-slate-200 bg-white p-4 shadow-sm">
      <h2 class="font-semibold">Товар C</h2>
      <p class="mt-1 text-sm text-slate-600">Описание.</p>
    </article>
    <article class="rounded-xl border border-slate-200 bg-white p-4 shadow-sm">
      <h2 class="font-semibold">Товар D</h2>
      <p class="mt-1 text-sm text-slate-600">Описание.</p>
    </article>
  </div>
</body>
</html>