.modal {
    display: none;
    position: fixed;
    z-index: 1;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgb(0,0,0);
    background-color: rgba(0,0,0,0.9);
}

.modal-content {
    position: relative;
    background-color: #000;
    padding: 0;
    width: 80%;
    max-width: 700px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    border-radius: 10px;
    overflow: hidden;
    top: 100px;
}

.close {
    position: absolute;
    right: 25px;
    top: 250px;
    color: #000;
    font-size: 35px;
    font-weight: bold;
}

.close:hover,
.close:focus {
    color: #999;
    text-decoration: none;
    cursor: pointer;
}

iframe {
    width: 100%;
    height: 315px;
    border: none;
    border-radius: 10px;
}