.bmtf-open{
    width:100%;
    padding:10px;
    background:#111;
    color:#fff;
    border:none;
    cursor:pointer;
    border-radius:6px;
    margin-top:5px;
}
.bmtf-open:hover{
    background:#333;
}

/* popup */
#bmtfModal{
    display:none;
    position:fixed;
    top:0;left:0;
    width:100%;height:100%;
    background:rgba(0,0,0,0.6);
    z-index:9999;
}

.bmtf-box{
    width:400px;
    background:#fff;
    margin:80px auto;
    padding:20px;
    border-radius:10px;
}