body {
    background: #eef2f7;
    font-family: Arial, sans-serif;
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.box {
    padding: 50px 60px;
    background: #fff;
    border-radius: 16px;
    box-shadow: 0 0 30px rgba(0,0,0,0.1);
    max-width: 500px;
    text-align: center;
}

h1 {
    margin-bottom: 10px;
}