body{background:linear-gradient(45deg,#1e3a8a,#9333ea,#080255,#2124c0);background-size:400% 400%;animation:gradientAnimation 15s ease infinite;color:#fff;font-family:Arial,sans-serif;margin:0;padding:0}@keyframes gradientAnimation{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}@media (max-width: 768px){body{background-size:150% 150%;animation:gradientAnimation 10s ease infinite}}.navbar{background-color:#333;padding:10px}.navbar a{color:#fff;text-decoration:none;padding:10px}.navbar a:hover{background-color:#555}.navbar .active{font-weight:700}