I did. It's not very performance-friendly and mostly useless for daily tasks. In fact on a large-scale projects it lag as hell and quickly turn your code into hard to read mess.
Which framework did you try, if you don't mind the question? I'm curious about what's even out there
There is no frameworks. At least none of them was as flexible as bootstrap grids. Most of "grid" frameworks actually flex-based. I was playing with grids on my own.
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