* {
  box-sizing: border-box;
}

.gridj {
  display: grid;

  grid-gap: 10px;
grid-auto-rows: min-content;
 justify-content: center;
}
.dj {
 margin: 0;
 grid-column:1 /2;
  grid-row: 1;
}
.oned {
width: 100px;


  grid-column:1 /2;
  grid-row: 2;

}
.twod {


  width: 100px;
 height:100px;
  grid-column: 2 / 2;
  grid-row: 2;

}