.overlay {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.overlay-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: #f5f4f1;
    padding: 2vw;
    border-radius: 10px;
    width: 80%;
    animation: slideTop 0.5s ease forwards;
}

.close-button {
    float: right;
    cursor: pointer;
    margin-top: -1vw;
    font-size: 2vw;
    color: #023047;
}

iframe {
    width: 100%;
    height: 75vh;
    border: none;
}

#overlaytitle {
    float: left;
    margin-top: -1vw;
    font-size: 1.3vw;
    font-weight: bold;
    color: #023047;
}