Although I can't seem to use the
Since there is an label/identifier column that appears as a first <td>
Of course you had no way of knowing this because in my efforts to simplify the post I didn't mention it.
Tried to unfix that particular first column with:
width: 200px !important;
[I]Appears as if, once the table is fixed, so is everything.
So - I'm setting the width within the [/I].tab td