body {
    text-align: center;
}

h1 {
    background-color:darkblue;
    color: white;
    padding: 50px;
}

img {
    width: 40%;
}

#logo {
    display:block;
    margin-left: auto;
    margin-right: auto;
    background-color: white;
}

footer {
    background-color: white;
    padding: 10px;
    margin-left: -10px;
    margin-right: -10px;
}