As long as the tool you're using doesn't allow people to inject arbitrary presentation instructions (eg. font size and style) along with the content you can saf

As long as the tool you're using doesn't allow people to inject arbitrary presentation instructions (eg. font size and style) along with the content you can safely allow people to enter their content on one device and know that your responsive style will handle the rest. We are solving this problem and looking for feedback at http://www.decalcms.com/tour/ http://www.decalcms.com/tour/