Idea: Visual/Drag & Drop CSS Grid Builder

There are some tools for generating css grids in a visual way, such as: https://grid.layoutit.com/ or even inside WordPress like: JetGridBuilder (https://crocoblock.com/en/plugins/jetgridbuilder/) and Cwicly’s new update (https://youtu.be/WYZtAFhMzh0)

What do you think about this idea?