div#note-posts {
    display: flex;
    flex-wrap: wrap;
    justify-content:space-evenly;
    padding: 0 0;
}
iframe.note-embed {
    border: 0;
    display: block;
    max-width: 99%;
    width: 494px;
    padding: 0px;
    margin: 3px 3px;
    position: static; 
    visibility: visible;
    height: 200px;
    zoom: 80%;
}