cherry_tree/8.html at master · jay-iiitm/cherry_tree · GitHub

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<!DOCTYPE html>
<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</title>
</head>
<body>
    <h3>Ids and classes here</h3>
    <!-- here id "mainbox" can used only once means no repete for any id -->
    <!-- but any class can be used many times, and multiple class can be used in same div or spanor etc -->
    <div id="mainBox" class="redBg blackBorder">
        this is mainbox
    </div>
    <!-- . is for class and # for id, like span.redBG press enter and span#mainSpan -->
    <span class="redBg"></span>
    <span id="mainSpan"></span>
    <!-- creating multiple elements -->
    <!-- span.myclass.myclass2.myclass3  and press enter-->
    <span class="myclass myclass2 myclass3"></span>
    <!-- for multiple, span.cl1.cl2.cl3*4-->


</body>
</html>