{"type":"rich","version":"1.0","title":"Button varieties","provider_name":"Plunker","provider_url":"https://plnkr.co","html":"<iframe id=\"plnkr_embed_esgkZ5ZtH9Vl8Wlkqx7t\" class=\"plnkr_embed_iframe\" style=\"width: 100%; overflow: hidden;\" src=\"https://embed.plnkr.co/plunk/esgkZ5ZtH9Vl8Wlkqx7t?autoCloseSidebar&deferRun&show=preview\" width=\"600\" height=\"400\" frameborder=\"0\" scrolling=\"no\"></iframe>","width":600,"height":400,"thumbnail_url":"https://shot.plnkr.co/esgkZ5ZtH9Vl8Wlkqx7t.png?d=2017-11-06T18%3A22%3A26.367Z","thumbnail_width":400,"thumbnail_height":300}