Compelete Code For Using Of Cascading Style Sheets Specificity.
<!DOCTYPE html> <html> <head> <title>What Is The Use Of Cascading Style Sheets Specificity</title> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css"/> </head> <style> body { background: #c7254e; } h2 {background-color: yellow;} h2 {background-color: red;} div#a {background-color: lightpink;} #a {background-color: yellow;} div[id=a] {background-color: blue;} .intro {background-color: yellow;} h3 {background-color: red;} </style> <body> <br/><br/> <div class="container"> <br> <div class="text-center"> <h1 id="color" style="color: white;">Cascading Style Sheets Specificity</h1> </div> <br> <div class="well"> <h2>This is heading 1</h2> <div id="a">This is a div</div> <h3 class="intro">This is a heading</h3> </div> </div> </body> </html>