great tool! suggestions: 1. ability to set flex properties for the children (e.g. grow) 2. "templates" (if you go to Bootstrap, they have a few, e.g. with hea

great tool! suggestions: 1. ability to set flex properties for the children (e.g. grow) 2. "templates" (if you go to Bootstrap, they have a few, e.g. with header, with header+footer, etc)