Grid

grid_container.png

.container {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  grid-template-rows: 100px 100px;
  width: 50%;
  border: 2px solid red;
}
.container > div {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 24px;
  color: #00000;
  border: 0.5px solid black;
}