Boostrap/CSS Always keep content perfectly centred on page
17903
How to vertically center a "div" element for all browsers using CSS?
45637
Fixed-position header and menu on a web page -- is that okay?
119489
How to center a button within a div?
26380
Centering in CSS, when the object is larger than the viewport
85574
How do I align an image to centre?
44450
Maintain the aspect ratio of a div with CSS
5463
Beamer background image centered
119899
Absolutely true centred background image
91302
Can't get my div to stay fixed with layout
151079
geometry, fancyhdr: \fancyfoot[C]{\thepage} is not really centered
3627
Best way to center a  on a page vertically and horizontally?
38229
\centering doesn't seem to center my text
133578
vertical align center image in fixed size div
39669
Fixed position navbar obscures anchors
93862
offsetting an html anchor to adjust for fixed header
48277
How do I center floated elements?
78664
How to horizontally center a fixed positioned element