landingpage template doesn\'t work

Hi,i bought the landing page package but it doesn\'t work. None of the landingpage templates is working, when i change the background image.When I try to change the Background Image, then i can see it in Dreamweaver but not in any Browser (Google, firefox etc.)my Code<div id=\"home\" class=\"view hm-black-strong-1 jarallax\" data-jarallax=\'{\"speed\": 0.2}\' style=\"background-image: url(/Bilder/HakSG.jpg);\">Code in template<div id=\"home\" class=\"view hm-black-strong-1 jarallax\" data-jarallax=\'{\"speed\": 0.2}\' style=\"background-image: url(https://mdbcdn.b-cdn.net/img/Photos/Horizontal/Relax/full%20page/spa.jpg);\">I also get an Error in dreamweaverError: The value of attribute[data-jarallax] must be in double quotesPlease could you help to solve the problem and sent me an template which works.TanksHans

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