This solution is generated by ChatGPT, correctness is not guaranteed.

AI solution for CSS coding question on BFE.dev
22. Grid Layout 1

.container {
  display: grid;
  grid-template-columns: repeat(3, 1fr); /* 3 columns with equal widths */
  grid-gap: 10px; /* gap between rows and columns */
}

.item {
  background-color: #BFEBFE;
}

.a {
  grid-row: 1; /* place in row 1 */
  grid-column: 1; /* place in column 1 */
}

.b {
  grid-row: 2; /* place in row 2 */
  grid-column: 1; /* place in column 1 */
}

.c {
  grid-row: 3; /* place in row 3 */
  grid-column: 1; /* place in column 1 */
}

.d {
  grid-row: 1; /* place in row 1 */
  grid-column: 2; /* place in column 2 */
}

.e {
  grid-row: 2; /* place in row 2 */
  grid-column: 2; /* place in column 2 */
}

.f {
  grid-row: 3; /* place in row 3 */
  grid-column: 2; /* place in column 2 */
}

.g {
  grid-row: 1; /* place in row 1 */
  grid-column: 3; /* place in column 3 */
}

.h {
  grid-row: 2; /* place in row 2 */
  grid-column: 3; /* place in column 3 */
}

.i {
  grid-row: 3; /* place in row 3 */
  grid-column: 3; /* place in column 3 */
}

Explanation:

  • The .container element is set to a grid container using display: grid.
  • grid-template-columns is set to repeat 3 times with 1fr, meaning 3 columns of equal width, so it automatically creates 3 columns for our grid layout.
  • grid-gap is set to 10px for gaps between columns and rows.
  • For each .item block, the grid-row and grid-column properties are specified to place them in the correct position on the grid.