6.69.3 Can you answer these questions?

6.69.3.1 How to draw a line between two zy planes in TikZ?

https://tex.stackexchange.com/landing/r/digest?cta=question&id=573085

In TikZ, I define two zy planes at two different x positions. I want to draw a line from one specific point on one plane to another specific point on the other plane. How can I draw that line? 
Note: ... 
[tikz-pgf]
 

asked by AKG https://tex.stackexchange.com/landing/r/digest?cta=user&id=186370 1 vote

answered by AKG https://tex.stackexchange.com/landing/r/digest?cta=user&id=186370 0 votes

6.69.3.2 Change the chapter and section style

https://tex.stackexchange.com/landing/r/digest?cta=question&id=572800

I'm using titlesec package to have a good style of the chapters and sections title. But now, 
I would like to add a colored box around the chapter number and section number, I want to get the same ... 
[chapters] [titlesec] [section-titles]
 

asked by Re Aly https://tex.stackexchange.com/landing/r/digest?cta=user&id=229869 1 vote

6.69.3.3 references in biblatex

https://tex.stackexchange.com/landing/r/digest?cta=question&id=573108

I'm having trouble formatting the references. I have to prepare whole text using font 11 and single line spacing. Also I want to save space in references by removing new line when next bibitem is ... 
[biblatex] [hyperref] [natbib] [cite-package]
 

asked by rpoleski https://tex.stackexchange.com/landing/r/digest?cta=user&id=229995 1 vote