.modal-backdrop {
    position:fixed;
    z-index:100;
    top:0;
    left:0;
    width:100%;
    height:100%;
    background-color:rgba(0,0,0,.65);
}
.modal {
    position:absolute;
    z-index:110;
    top:50px;
    left:50%;
    margin-left:-225px;
    
    width:450px;
    padding:30px;
    background-color:#fff;
    font-family:Arial;
    font-size:14px;
    line-height:1.6;
}
.modal .btn {
    display:inline-block;
    border:1px solid #ddd;
    line-height:1;
    padding:10px 15px;
    color:#333;
    transition:border 250ms, color 250ms;
}
.modal .btn:hover {
    border-color:#002f5f;
    color:#002f5f;
}