#iframe-window {
    width: 100%;
    height: 100%;
    position: absolute;
    transform: translate(-50%, -50%);
    top: 50%;
    left: 50%;
    transition: opacity 0.3s ease;
    overflow: hidden;
}

#iframe-window.iframe-closed {
    opacity: 0.01;
    border: 0;
    visibility: hidden;
    transition: visibility 0.3s, opacity 0.3s ease;
}

#iframe-window.iframe-popup {
    width: 85%;
    height: 85%;
    border-radius: 8px;
    box-shadow: 0 0 50px gray;
}

#iframe-window iframe {
    border: none;
    padding: 0;
    margin: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(57.88% 65.92% at 98.84% 0%, #284D67 0%, #293452 100%);
}

.close-iframe-button {
    margin: 0;
    padding: 0;
    border: none;
    background-color: transparent;
    width: 20px;
    height: 20px;
    background-image: url("../images/close-iframe.png");
    background-size: contain;
    background-repeat: no-repeat;
    position: absolute;
    top: 8px;
    right: 8px;
}

.close-iframe-button:hover {
    background-image: url("../images/close-iframe_hover.png");
}

.close-iframe-button:active {
    background-image: url("../images/close-iframe_pressed.png");
}