Step 1: Create Index.php file and implement below code.
<p class="para1">Hello World!</p> <p>This paragraph is not affected by the style.</p>
<style> .para1 { text-align: center; color: red; } </style>
<!DOCTYPE html> <html> <head> <title>How To Change P Element Text Color By CSS Class Selector</title> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" /> <script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script> </head> <style> body { background: pink; } .para1 { text-align: center; color: red; } </style> <body> <br /><br /> <div class="container"> <br><br><br> <div class="text-center"> <h1 id="color" style="color: black;">How To Change P Element Text Color By CSS Class Selector</h1> </div> <br> <div class="well"> <p class="para1">Hello World!</p> <p>This paragraph is not affected by the style.</p> </div> <br> </div> </body> </html>