Margin:auto won't work even though there is a defined width and block display
663
How to horizontally center an element
102082
How to align a  to the middle (horizontally/width) of the page
157471
A Space between Inline-Block List Items
66896
Showing margins/frames in beamer slides
72444
Why my inline-block divs are not aligned when only one of them has text?
67828
Setting the space between page header and text block
13898
Declaring option a4paper in \documentclass produces different margins than declaring it in \geometry
4496
What does auto do in margin:0 auto?
77471
Overflow:hidden messing with margins in Chrome and Safari
139144
Setting a width and height on an A tag
77150
Changing top, bottom, left & right margins on the fly
122398
My inline-block elements are not lining up properly
9808
Why does this CSS margin-top style not work?
107538
How to set a:link height/width with css?
87352
Setting the width of inline elements
22772
Margins of mdframed without any effect
20249
How can I transition height: 0; to height: auto; using CSS?