CSS Grid のIE 対処

Gulp で npm i autoprefixer

gulp.task("default", () => {
  return gulp.src("src/style.css")
    .pipe(autoprefixer({ grid: true }))
    .pipe(gulp.dest("dist"));
});

---

/* Autoprefixer’s IE-friendly translation */

.grid {
 display: -ms-grid;
 display: grid;
 grid-gap: 10px;
 -ms-grid-rows: 100px 10px 100px;
 -ms-grid-columns: 1fr 10px 1fr;
 grid-template:
   "a   b" 100px
   "c   d" 100px /
   1fr  1fr;
}

.cell-A {
  -ms-grid-row: 1;
  -ms-grid-column: 1;
  grid-area: a;
}

.cell-B {
  -ms-grid-row: 1;
  -ms-grid-column: 3;
  grid-area: b;
}

.cell-C {
  -ms-grid-row: 3;
  -ms-grid-column: 1;
  grid-area: c;
}

.cell-D {
  -ms-grid-row: 3;
  -ms-grid-column: 3;
  grid-area: d;
}