.btn-ref {
    text-align:center;
    font-weight:bold;
    float: right;
    background: #005A3A;
    color: #fff;
    padding: 8px 12px;
    margin: 1px 0 0;
    font-family: "Montserrat", sans-serif;
    border: 2px solid #005A3A;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration:none;
}
.btn-ref:hover {
    background-color: white;
    color: #005A3A;
}