body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0; 
    background-image: url('baloon19.jpg'); 
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    max-height: 100vh;
}

main {
    background-color: #f2f2f2e4;
    color: rgb(49, 49, 49);
    max-width: 500px;
    margin: 5rem auto;
    padding: 1rem;
}

main img {
    max-height: 100px;
}

main a {
    color: #d90912;
    text-decoration: none;
}

@media screen and (max-width: 768px) {
    main {
        margin: 5rem 1rem;
    }
}