\hline disconnects vertical margins
41439
How to add vertical space after \hline without breaking vertical lines in a table
138736
How do I draw a vertical dotted line separating two columns?
61506
URLs extend past page margins
76399
Problem with hline on alternating row colour table
86006
ModernCV Remove horizontal line in sections
5762
Why is there an unexplainable gap between these inline-block div elements?
18571
Spacing between triple vertical lines
131652
Need linebreaks in some columns of a wide table
139970
CSS -  Items in Horizontal Menu have a Gap Between Them
38135
Remove top and bottom margin in tabular (around lists)
145877
Tabular: messed up margins
108760
How to disable pagebreak on \hline in longtable?
132612
Column line overshooting the horizontal line in table
143308
Vertical line next to a block with no margins
90361
Line break after description label
146456
Additional horizontal space when the last line of an environment is full
107441
display: inline-block extra margin