body {
    background-color: rgb(51, 51, 51);
}

p {
    text-align: justify;

    line-height: 35px;

    font-family: Arial, Helvetica, sans-serif;
}

header,
section {
    background-color: white;
    padding: 16px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;

    width: 60%;
    max-width: 900%;

    text-align: center;
}

footer {
    background-color: white;
    padding: 16px;
    margin-left: auto;
    margin-right: auto;
    margin-top: 20px;

    width: 30%;
    max-width: 800%;

    text-align: center;
}