I am trying to make a navbox for my community. This is what one section looks like:
|-
! rowspan=3" width="30%" style="background: red;" | Episodes
! width="10%" style="background: gray;" | Season 1
| [[Episode 1: Short episode? (Original series)|Ep.1 Original]] • [[Episode 1: Introduction|Ep.1]] • [[Episode 2: Infinom and InfiPink|Ep.2]] • [[Episode 3: Preparation|Ep.3]] • [[Episode 4: Preparation 2|Ep.4]] • [[Episode 5: Preparation 3|Ep.5]] • [[Episode 6: Preparation 4|Ep.6]] • [[Episode 7: Preparation 5|Ep.7]] • [[Episode 8: Linux|Ep.8]] • [[Episode 9: Apple|Ep.9]] • [[Episode 10: The fight with Apple and Linux|Ep.10]]
! width="10%" style="background: gray;" | Season 2
| [[Episode 11: On the way to Linux's base|Ep.11]] • [[Episode 12: Microsoft vs Linux|Ep.12]] • [[Episode 13: Linux's new members|Ep.13]]
! width="10%" style="background: gray;" | Shorts
|[[Episode 1: Windows 3.0 meets Multimedia PC (Shorts)|Ep.1]]
|-
But when I preview this, it shows up like:
Note: The red part goes down three sections. It's not clear here.