.image_container {
    margin-top: 50px;
    width: 100%;
    min-height: 100%;
    text-align: center;
}
html, body {
    height: 100%;
    margin: 0;
    background-color: #FFF;
}

.image_container img {
    vertical-align: middle;
}

.contact {
    display: block;
    margin-top: 40px;
    color: #588FC8;
    font-size: x-large;
    font-family: sans-serif;
}