Bootstrap 5 размер шрифта
<p class="fs-1">kind of h1 type big</p>
<p class="fs-2">kind of h2 type big</p>
<p class="fs-3">kind of h3 type big</p>
<p class="fs-4">kind of h4 type big</p>
<p class="fs-5">kind of h5 type big</p>
<p class="fs-6">kind of h6 type big</p>
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