.grid-layout {
  display: grid;
  /* 6 barabar columns aur 24 barabar rows */
  grid-template-columns: repeat(6, 1fr);
  grid-template-rows: repeat(24, 25px); 
  gap: 8px;
  padding: 15px;
  background: #fff;
}

.box {
  background-color: #99CC00; /* Same green color */
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: Arial, sans-serif;
  font-size: 12px;
}

/* Column 1 */
.b1 { grid-column: 1; grid-row: 1 / 25; }

/* Column 2 */
.b2 { grid-column: 2; grid-row: 1 / 14; }
.b3 { grid-column: 2; grid-row: 14 / 25; }

/* Column 3 */
.b4 { grid-column: 3; grid-row: 1 / 10; }
.b5 { grid-column: 3; grid-row: 10 / 18; }
.b6 { grid-column: 3; grid-row: 18 / 25; }

/* Column 4 */
.b7 { grid-column: 4; grid-row: 1 / 8; }
.b8 { grid-column: 4; grid-row: 8 / 14; }
.b9 { grid-column: 4; grid-row: 14 / 20; }
.b10 { grid-column: 4; grid-row: 20 / 25; }

/* Column 5 */
.b11 { grid-column: 5; grid-row: 1 / 5; }
.b12 { grid-column: 5; grid-row: 5 / 9; }
.b13 { grid-column: 5; grid-row: 9 / 13; }
.b14 { grid-column: 5; grid-row: 13 / 17; }
.b15 { grid-column: 5; grid-row: 17 / 21; }
.b16 { grid-column: 5; grid-row: 21 / 25; }

/* Column 6 (All span 2 rows) */
.box:nth-child(n+17) { grid-column: 6; grid-row: span 2; }