.body {
    position: fixed;
}

.footer {
    font-family: "Helvetica Neue", Helvetica,Arial,sans-serif ;
    background-color: #F7F7F7;
    width:100%;
    text-align: center;
    font-size: 12px;
    padding-top: 20px;
    padding-bottom: 20px;
    bottom: 0 !important;
    position: fixed;
}