body {
    background-color: #ddd;
}

    body > .grid {
        height: 100%;
    }

.column {
    max-width: 450px;
    padding-top : 20%;
}

.top.attached.header {
    border: none;
    color: #FFFFFF;
}

.attached.segment {
    background-color: #F7F7F7;
    padding: 2rem 2rem 4.5rem 2rem;
}