{"version":"1.0","type":"rich","width":1200,"height":675,"title":"Въвеждане на спец. символи и знаци","description":"7 клас","author_name":"Genially","provider_name":"Genially","provider_url":"https://genially.com","html":"<div style='width: 100%;'><div style='position: relative; padding-bottom:56.25%; padding-top: 0; height: 0;'><iframe frameborder='0' width='1200' height='675' style='position:absolute; top: 0; left: 0; width: 100%; height: 100%;' src='https://view.genially.com/5f8eb1a81f3bdb6ea379ad1e' type='text/html' allowscriptaccess='always' allowfullscreen='true' scrolling='yes' allownetworking='all'></iframe></div></div>","thumbnail_url":"https://thumbnails.genially.com/5f01c14864e44a2d5175ef0e/pdf/69b7e563-7567-4ccb-8937-906a308bfc77.png","thumbnail_width":1200,"thumbnail_height":675}