html,body{height:100%;margin:0;font-family:Segoe UI,Arial,sans-serif;}body{background:url(images/redirect-desktop.svg) center/cover no-repeat;display:flex;align-items:center;justify-content:center;} .overlay{text-align:center;color:#fff;text-shadow:0 2px 10px #000;background:rgba(0,0,0,.35);padding:2rem 3rem;border-radius:20px} h1{font-size:clamp(2rem,6vw,5rem)} p{font-size:clamp(1rem,2vw,2rem)} @media (orientation:portrait){body{background-image:url(images/redirect-mobile.svg)}}