zoomable = url => {
const img = html`<img style='cursor:zoom-in;transition:all 100ms ease-in;max-width: 640px;width:100%;border:1px solid #eee;border-radius:2px;' src='${url}' />`;
img.onclick = () => {
const zoomed = img.style.maxWidth === "640px";
img.style.maxWidth = zoomed ? "" : "640px";
img.style.cursor = zoomed ? "zoom-in" : "zoom-out";
};
return img;
}