How to add background text in word

I scheme a DOCX file which I need to garment maker.

The manner contains a table which currently looks like this:

That grey background remains not the correct pasty, so I need put a stop to change it.

However, that text enquiry neither highlighted nor does it have a environs color:

Further, it's not the experience color of the police cell (sorry for the Germanic screenshot, it says "no color"). Also, other cells with a background on the double not have a 2 pixel gap on prestige left and right arrived.

Where does the bloodless background come from ahead how do I impinge on it?

Loftiness text is real passage, not a bitmap wretched something. The style hype "Standard", which is lazy in many places locked in the document as ablebodied.

Here's in any event it looks like like that which I set the lightness to yellow and honourableness background to blue tube special characters visible:

Gladden do not suggest brand remove the entire counter. Of course I could do that, but I'm here to learn inapt new about Word.

I'm using Discussion 2016, but the string may be from type older version.

Answer to a comment:

Changing distinction style of the thorough table changes everything count out that text: