This is a nice project and the design is very clean. The back end feels very programmer-oriented though with the camelcase key-value pairs and raw HTML to edit.

This is a nice project and the design is very clean. The back end feels very programmer-oriented though with the camelcase key-value pairs and raw HTML to edit. You might consider making a few tweaks to make it more approachable to non-technical business owners if that's the target market.