Загрузка данных

<!DOCTYPE html>
<html>

<head>
    <meta charset="UTF-8">
    <title>EYGUGD</title>
    <style>
        #block p.bbb,
        #block p.xxx {
            color: red;
            font-weight: bold;
        }
    </style>
</head>
<div id="block">
    <h2 class="bbb">uhouighoho</h2>
    <p class="bbb">uhouighoho</p>
    <h2 class="xxx">ihjpihpih</h2>
    <p>oijpjpojpojop</p>
    <h2>jpjpojpoj</h2>
    <p class="xxx">ihiohiohih</p>
    <div class="bbb">ojopjpojop</div>
    <div class="xxx">ihihhp</div>
</div>
<h2 class="bbb">hihihoi</h2>
<p class="xxx">ojpojpj</p>

</html>