.header_fixed 
{
    position: fixed;
    top: -200;
    left: 0;
    right: 0;
    z-index: 1500;
    transition: top ease .5s;
    box-shadow: 0px 0px 10px 4px #b9b9b9;
}

.header_fixed.outer_header
{
    top: 0px;
}


a.review_button
{
    background: #fc912f;
    display: block;
    padding: 12px 15px;
    text-align: center;
    text-decoration: none;
    margin-bottom: 14px;
    border-radius: 5px;
    -webkit-transition: background .3s ease;
    transition: background .3s ease;
    color: #fff;
}

a.review_button:hover
{
    background:#e27f2e;
}