.dnsm4cf-modal {
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.4);
    display: flex;
    align-items: center;
    justify-content: center;
}
.dnsm4cf-modal-content {
    background-color: #fefefe;
    margin: auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 600px;
    word-wrap: break-word;
}
.dnsm4cf-modal-close-btn {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}
.dnsm4cf-modal-close-btn:hover,
.dnsm4cf-modal-close-btn:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}