.adblock-modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.8);
}

.adblock-modal-content {
    background-color: #2c2c2c;
    margin: 15% auto;
    padding: 20px;
    border: 1px solid #888;
    width: 80%;
    max-width: 500px;
    text-align: center;
    border-radius: 10px;
}

.adblock-modal-close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}

.adblock-modal-close:hover,
.adblock-modal-close:focus {
    color: white;
    text-decoration: none;
    cursor: pointer;
}