body{margin:0;padding:0;font-family:Arial,sans-serif}.container{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;padding:2rem}.avatar{width:96px;height:96px;border-radius:50%;border:4px solid #ccc;margin-bottom:1rem}h1{font-size:24px;font-weight:700;margin-bottom:.5rem}p{color:#555;margin-bottom:1rem}button{margin:4px;padding:8px 16px;background-color:#000;color:#fff;border:none;border-radius:6px;cursor:pointer}