.zm-tile {
    flex: 0 0 100%;
    grid-column: 1 / -1;
    width: 100%;
    max-width: 100%;
    box-sizing: border-box;
    display: block;
}
.zm-open {
    width: 100%;
    aspect-ratio: 32 / 9;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: none;
    cursor: pointer;
    text-align: left;
    font: inherit;
}
.zm-open img { height: 100%; }
@media (max-width: 700px) {
    .zm-open { aspect-ratio: 5 / 2; }
}
@media (max-width: 568px) {
    .zm-open { aspect-ratio: 16 / 9; }
}