<link href="//netdna.bootstrapcdn.com/bootstrap/3.0.0/css/bootstrap.min.css" rel="stylesheet" id="bootstrap-css"> <script src="//netdna.bootstrapcdn.com/bootstrap/3.0.0/js/bootstrap.min.js"></script> <script src="//code.jquery.com/jquery-1.11.1.min.js"></script> <!------ Include the above in your HEAD tag ----------> <h1>Gradient Background Animation</h1> .

body { background: linear-gradient(132deg, #ec5218, #1665c1); background-size: 400% 400%; animation: BackgroundGradient 30s ease infinite; } @keyframes BackgroundGradient { 0% {background-position: 0% 50%;} 50% {background-position: 100% 50%;} 100% {background-position: 0% 50%;} } h1 { position: absolute; left: 50%; top: 50%; transform: translateX(-50%) translateY(-50%); font-family: Open Sans, sans-serif; color: #fff; font-weight: 400; text-transform: uppercase; text-align: center; font-size: 2em; background-color: #000; padding: 5px; }