.div-general-video {
    background-color: rgb(243,244,246);
    width: 100%;
    display: flex;
    justify-content: center;
    padding: 30px;
}

.video-iframe {
    width: 960px;
    height: 540px;
}

@media (max-width: 990px) {
    .iframe-wrapper {
    position: relative;
    width: 100%;
    padding-top: 56.25%;
    max-width: 960px; 
    max-height: 540px; 
    margin: auto;
}

.iframe-wrapper iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 0;
}
}