How do I customize the grid prefix

[a42356]

autoprefixer bad
How to customize GIRD in Tailwindcss

grid {
    display: grid;
  }

to

.grid {
  display: -ms-grid;
  display: grid;
}

[adamwathan]

Use autoprefixer. If you need to support IE11 though I would encourage you not to bother trying to use grid, the IE11 implementation is unusable.