@mixin basic-styles {
  display: flex;
  justify-content: center;
  align-items: center;
}

@mixin display-grid {
  display: -ms-grid;
  display: grid;
}

.grid-parent {
  @include display-grid;
  grid-template-columns: repeat(2, 1fr);
  grid-auto-rows: repeat(2, 1fr);
  grid-gap: 10px;
  padding: 10px;
  border: 10px;
}

.grid-child_1 {
  @include basic-styles;
  grid-column: 1/2;
  grid-row: 1/2;
}

.grid-child_2 {
  @include basic-styles;
  grid-column: 2/3;
  grid-row: 1/2;
}

.grid-child_3 {
  @include basic-styles;
  grid-column: 1/2;
  grid-row: 2/3;
}

.grid-child_4 {
  @include basic-styles;
  grid-column: 2/3;
  grid-row: 2/3;
}

@media only screen and (max-width: 768px) {
  .grid-parent {
    display: block;
  }
}