Hi Isabel
Thank you for your question! I tried reviewing your site and I see you might have a plugin blocking access to the page so I can’t tell if your a using Crio WordPress Theme or one of our other BoldGrid Themes. If you could let us know what theme you’re running and also if you’re using the BoldGrid Post and Page Builder plugin we could better assist you. It would also be helpful to know what plugin or platform the error message is being generated from.
The responsiveness of many website areas in our themes, like the header and footer sections, are automatically designed to shift their content to create a readable mobile display. There are also some Responsive Utilities provided by the Post and Page Builder that allow you to select the device type and change how your content looks for difference screen sizes.
I hope you find this helpful!