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<html><head> <title>Page Title</title> <style type="text/css">h1{color:#ff0000}</style></head><body> <h1>Welcome to my life</h1> <h2>This is a Heading 2</h2> <h3>This is a Heading 3</h3> <h4>This is a Heading 4</h4> <h5>This is a Heading 5</h5> <h6>This is a Heading 6</h6> <p>This is a paragraph.</p> <button onclick="btn()">Click Me !</button> <p id="demo"></p> <script> function btn(){ document.getElementById('demo').innerHTML="<b>This is javascript</b>"; } </script></body></html>