각 요소의 너비가 같지만 아래쪽 요소가 항상 위쪽 요소보다 50px 아래에 있는 CSS 그리드 레이아웃을 사용하여 석조 그리드를 만들려면 어떻게 해야 합니까?

grid-container {
  display: grid;             /* Enables the grid layout */
  grid-auto-rows: 50px;      /* Defines the height of each row to 50px */
  grid-gap: 10px;            /* Sets the gap between the grid items */
  grid-template-columns: repeat(auto-fill, minmax(30%, 1fr)); /* Defines the columns to have a minimum width of 30% */
}

[short] {
  grid-row: span 1;         /* Makes the element span only one row */
  background-color: green;
}

[tall] {
  grid-row: span 2;         /* Makes the element span two rows */
  background-color: crimson;
}

[taller] {
  grid-row: span 3;         /* Makes the element span three rows */
  background-color: blue;
}

[tallest] {
  grid-row: span 4;         /* Makes the element span four rows */
  background-color: gray;
}

<grid-container>
  <grid-item short></grid-item>
  <grid-item short></grid-item>
  <grid-item tall></grid-item>
  <grid-item tall></grid-item>
  <grid-item short></grid-item>
  <grid-item taller></grid-item>
  <grid-item short></grid-item>
  <grid-item tallest></grid-item>
  <grid-item tall></grid-item>
  <grid-item short></grid-item>
  <grid-item tallest></grid-item>
  <grid-item tall></grid-item>
  <grid-item taller></grid-item>
  <grid-item short></grid-item>
  <grid-item short></grid-item>
  <grid-item short></grid-item>
  <grid-item short></grid-item>
  <grid-item tall></grid-item>
  <grid-item short></grid-item>
  <grid-item taller></grid-item>
  <grid-item short></grid-item>
  <grid-item tall></grid-item>
  <grid-item short></grid-item>
  <grid-item tall></grid-item>
  <grid-item short></grid-item>
  <grid-item short></grid-item>
  <grid-item tallest></grid-item>
  <grid-item taller></grid-item>
  <grid-item short></grid-item>
  <grid-item tallest></grid-item>
  <grid-item tall></grid-item>
  <grid-item short></grid-item>
</grid-container>