Ids and Classes in HTML
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Ids and Classes in HTML</title>
</head>
<body>
<h3>Ids and Classes tutorial</h3>
<div id="mainBox" class="redBg blackBorder">
this is mainbox
</div>
<span class="redBg"></span>
<!-- Emmet -->
<!-- . is for class and # is for id -->
<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 + <Tab> to print 4 similar elements using Emmet -->
<span class="myClass myClass2 myClass3">First</span>
<span class="myClass myClass2 myClass3">Second</span>
<span class="myClass myClass2 myClass3">Third</span>
<span class="myClass myClass2 myClass3">Fourth</span>
</body>
</html>

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