.footer {
    text-align: center;
    padding: 30px 0;
    margin-top: 70px;
    border-top: 1px solid #e5e5e5;
    background-color: #f5f5f5;
}

.float-div {
    width: 100%;
    height: 400px;
    overflow-y: auto;
    border: 1px solid #ccc;
    position: absolute;
    top: 35px;
    left: 0;
    background-color: #fff;
    display: none;
    border-radius: 5px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, .175);
    z-index: 999;
}