I am trying to create a cover page, where in the middle of the page i use tabularx (tabular could have been just as well) to split the width of the page in to two parts.

I would like to know how could i control the thinness of the line?

I would like to make the line fading at the beginning and at the edges of the line if it is possible.

I have no problem to use tikz or any other solution, just the picture will be at the left side and my text at other side.

**EDIT**
I hope it is now clearer what i wish to do (to create the line in the middle which fades at the ends) Example:
![Example](https://i.stack.imgur.com/0sgvi.png)

Regards