Bootstrap template issue

found a website that has bootstrap templates tartbootstrap.com. I am able to upload it and have it come up but when i go to edit it. It would not allow me to edit it even after adding class=“sc-content-[some_id]” to the editable containers. what im i doing wrong? please help

I can’t even find that website. Post a link to a template on your hosting so we can at least see what it is about…

Please for give me. the s in the url was missing. here is the link to the template. http://startbootstrap.com/template-overviews/modern-business/

thank you for your help

http://legacypark.titan.management/ is the link to my hosting were the template is located.