.field--name-field-videa {
    display: flex;
    justify-content: flex-start;
    flex-direction: column;
}

.field--name-field-videa > .field__item {
    margin: 0 0 1rem 0;
}

.field--name-field-media-oembed-video {
    width: 100%; /* Nebo jiná požadovaná šířka */
    max-width: 400px;
    aspect-ratio: 16 / 9;
}

.field--name-field-media-oembed-video iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

@media screen and (min-width: 400px) {
    .field--name-field-videa {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: space-between;
    }

    .field--name-field-videa > .field__item {
        margin: 0 0 1rem 0;
        flex: 0 0 calc((100% / 2) - 1rem);
    }

}

/*
@media screen and (min-width: 576px) {
}

@media screen and (min-width: 768px) {
}
*/

@media screen and (min-width: 992px) {
    .field--name-field-videa {
        justify-content: flex-start;
    }

    .field--name-field-videa > .field__item {
        margin: 0 1rem 1rem 0;
        flex: 0 0 calc((100% / 3) - 1rem);
    }

}

@media screen and (min-width: 1200px) {
}

@media screen and (min-width: 1400px) {
}