.block-field-blocknodegallery-itemfield-photos video,
.block-field-blocknodegallery-itemfield-photos img {
    width: auto;
    height: auto;
    max-width: 100%;
    display: block;
    margin-left: auto;
    margin-right: auto;
}
.block-field-blocknodegallery-itemfield-photos {
    width: 100vw;
    max-width: 100vw;
    margin-left: calc(50% - 50vw);
    margin-bottom: 20px;

}
.block-field-blocknodegallery-itemtitle span {
    display: block;
    font-weight: 700;
    font-size: 18px;
    margin-top: 15px;
    text-align: center;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.block-field-blocknodegallery-itemfield-photos iframe{
    width: 100%;
    max-width: 900px;
    height: 56.25vw;   
    max-height: 506px; 
    display: block;
    margin: 0 auto;
}