Grid

grid_gap_image.png

/*CSS related to the topic*/
.container {
  display: grid;
  grid-template-columns: 100px 100px 100px;
  grid-template-rows: 100px 100px;
  grid-gap: 20px;
}
/*Additional CSS for styling*/
.container > div:nth-child(1n) {
  background-color: #92d2b4;
}
.container > div:nth-child(2n) {
  background-color: #f26561;
}
.container > div {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  color: #00000;
}