/* The Modal (background) */
.modal {
    display: none;
    position: fixed;
    z-index: 1060;
    padding-top: 100px;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: black;
    opacity: 0.95;
}

/* Main Properties for the Modal */
.messagebox {
    position: relative;
    background-color: white;
    margin: auto;
    padding: 0;
    width: 45%;
    height: 20%;
    max-width: 1200px;
}

/* Headline of the Modal */
.messagebox-headline {
    font-weight: bold;
    text-align: center;
    background-color: forestgreen;
    width: 100%;
    height: 17%;
    min-height: 20px;
    border-bottom-style: solid;
    border-bottom-width: 1px;
    border-bottom-color: black;
}

/* Question of the Modal */
.messagebox-content {
    text-align: center;
    background-color: white;
    padding: 12px;
    color: black;
    height: 40%;
}

/* Button Bar */
.messagebox-buttonbar {
    text-align: center;
    height: 65%;
    padding: 10px 50px;
    border-top-style: solid;
    border-top-width: 1px;
    border-top-color: black;
}
.btn-messagebox-center{
    margin-left:auto;
    margin-right:auto;
    display:block;
}

@media (min-width: 576px) {
    .modal-dialog.wider {
        width: 60%;
        min-width: 1000px;
    }
}