.media-upload-grid > label {
    display: flex;
    flex-direction: column;
    align-self: stretch;
}

.file-drop small,
.media-field-spacer {
    display: block;
    margin-top: 4px;
    min-height: 2.5em;
    line-height: normal;
    color: var(--muted);
}

@media (max-width: 650px) {
    .file-drop small { min-height: 0; }
    .media-field-spacer { min-height: 0; }
}