html,body{height:100%;margin:0;overflow:hidden;touch-action:none;overscroll-behavior:none;background:linear-gradient(-45deg,#141333,#1a183f,#141333,#0f0e2a);background-size:400% 400%;animation:gradient-shift 15s ease infinite;font-family:Arial,sans-serif;color:#fff}@keyframes gradient-shift{0%{background-position:0% 50%}50%{background-position:100% 50%}to{background-position:0% 50%}}