body {
  margin: 0;
  padding: 20px;
  background: #f5f5f5;
}

.grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr 1fr 1fr 0.9fr 0.6fr;
  grid-template-rows: repeat(12, 80px);
  gap: 12px;
}

.box {
  background: #9acd32;
  display: flex;
  align-items: flex-start;    
  justify-content: flex-start; 
  padding: 8px 10px;          
  color: white;
  font-size: 14px;            
  font-weight: bold;
}

/* Column 1 */
.b1 { grid-row: 1 / 13; grid-column: 1; }

/* Column 2 */
.b2 { grid-row: 1 / 6; grid-column: 2; }
.b3 { grid-row: 6 / 13; grid-column: 2; }

/* Column 3 */
.b4 { grid-row: 1 / 4; grid-column: 3; }
.b5 { grid-row: 4 / 9; grid-column: 3; }
.b6 { grid-row: 9 / 13; grid-column: 3; }

/* Column 4 */
.b7  { grid-row: 1 / 4; grid-column: 4; }
.b8  { grid-row: 4 / 7; grid-column: 4; }
.b9  { grid-row: 7 / 10; grid-column: 4; }
.b10 { grid-row: 10 / 13; grid-column: 4; }

/* Column 5 */
.b11 { grid-row: 1 / 3; grid-column: 5; }
.b12 { grid-row: 3 / 5; grid-column: 5; }
.b13 { grid-row: 5 / 7; grid-column: 5; }
.b14 { grid-row: 7 / 9; grid-column: 5; }
.b15 { grid-row: 9 / 11; grid-column: 5; }
.b16 { grid-row: 11 / 13; grid-column: 5; }

/* Column 6 (small boxes) */
.small {
  grid-column: 6;
}