body {
    color: white;
    background: linear-gradient(to bottom, #000000, #18006e);
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-size: cover;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

a {
    color: rgb(206, 206, 206);
    transition: color 1s ease;
}

a:hover,
a:active,
a:hover:visited {
    color: red;
}

a:visited {
    color: rgb(134, 134, 134);
}

footer {
    font-size: 10px;
    text-decoration: italic;
}

#back:visited {
    color: white;
    text-decoration: none;
}

#back:hover {
    color: red;
}

#back:active {
    color: red;
}

#back {
    color: white;
    text-decoration: none;
}