body {
    font-family: 'Times New Roman', Times, serif;
    display: grid;
    justify-content: center;
}

header {
    text-align: center;
    line-height: 2.0;  
}

main {
    text-align: center;
    width: 21.59cm;
    height: auto;
    background-color: aliceblue;
}

form {
    line-height: 2.0;
    margin: 20px;
}

form button {
    line-height: 2.0;
    margin: 20px;
}

form input{
    width: 60%;
}

footer p {
    line-height: 2.0;
    text-align: center;
}