#grid2 .entry-content-wrapper {
 margin:0;
 display:grid;
 gap:10px;
 grid-auto-flow:row;
 grid-template-columns:1fr 1fr 1fr 1fr;
 grid-template-rows: repeat(3, 250px);
}
#grid2 .entry-content-wrapper:before,
#grid2 .entry-content-wrapper:after {
 display:none
}


#grid2 .entry-content-wrapper .flex_column {
  margin: 0;
  padding: 30px;  /* you can do that via column alb settings */
  position: relative;
  width: unset !important;
  height: unset !important;
  min-height: 250px !important;
  background-color: #ddd
}

#grid2 .entry-content-wrapper .flex_column:nth-of-type(1) {
  grid-column: 1 / 2;
  grid-row: 1 / 4;
  z-index: 1;
}
#grid2 .entry-content-wrapper .flex_column:nth-of-type(2) {
  grid-column: 2 / 4;
  grid-row: 1 / 3;
  z-index: 1;
}
#grid2 .entry-content-wrapper .flex_column:nth-of-type(3) {
  grid-column: 4 / 5;
  grid-row: 1 / 3;
  z-index: 1;
}
#grid2 .entry-content-wrapper .flex_column:nth-of-type(4) {
  grid-column: 2 / 4;
  grid-row: 2 / 3;
  z-index: 2;
  top: -30%;
  left: 20%;
  background-color: red;
  border: 10px solid #FFF;
}
#grid2 .entry-content-wrapper .flex_column:nth-of-type(5) {
  grid-column: 2 / 3;
  grid-row: 3 / 4;
  z-index: 1;
}
#grid2 .entry-content-wrapper .flex_column:nth-of-type(6) {
  grid-column: 3 / 5;
  grid-row: 3 / 4;
  z-index: 1;
}