body {
    background-color: #f9f9f9; 
    color: #555555; 
    font-family: "Segoe UI", Arial, sans-serif;
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center; 
    align-items: center; 
    height: 100vh; 
}

h1 {
    background-color: #ffffff; 
    padding: 30px 40px;
    border-radius: 8px; 
    box-shadow: 0 4px 12px rgba(0,0,0,0.1); 
    font-size: 1.5rem;
    text-align: center;
    color: #444444; 
    max-width: 600px;
    line-height: 1.4;
}