1. N line 1, filled
Fill Area Under Curve- Normal (blue, transparency 53%)
2. N line 2, filled
Fill Area Under Curve- Normal (olive, transparency 20%)
…(more line)
3. baseline, white line , Fill Area Under Curve- Normal (white)
4. raw data
5. sum for splitted peaks
6. baseline, gray

Plot details, layer properties-Display- remove check of “data on top of axes”