body {
    text-align: center;
    background-color: #444;
    color: rgb(255, 255, 255);
    font-family:Arial, Helvetica, sans-serif;
    line-height: 1.6;
    margin: 15px auto;
}

a {
    color: rgb(59, 183, 255);
    text-decoration: none;
    transition: .2s;
}

a:hover {
    color:white
}

footer {
    position: absolute;
    width: 100%;
    bottom: 0;
    left: 0;
}