Ids and classes

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<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Ids and classes in HTML</title>
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<body>
    <h3>Ids and classes learning</h3>
    <div id="mainBox" class="redBg blackBorder">
        this is mainBox
    </div>
    <span class="redBg"></span>
    <!-- Emmet -->
    <span class="redBg"></span>
    <span id="mainSpan"></span>
    <div class="redBg blackBorder anotherClass"></div>
    <!-- emmet takes div tag as default -->
    <div class="blackBackground"></div>

    <!-- creating multiple elements using emmet -->
    <!-- span.myclass.myclass2.myclass3*4 -->
    <span id="myClass" class="myClass2 myClass3">First</span>
    <span id="myClass" class="myClass2 myClass3">Second</span>
    <span id="myClass" class="myClass2 myClass3">Third</span>
    <span id="myClass" class="myClass2 myClass3">Fourth</span>


</body>
</html>

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