Centering

Using Flexbox

Using CSS transform

Using margin: 0 auto;

Using text-align

Using position absolute

Using calc

Using line-height

Vertical align anything with 3 lines of code

Ghost element technique Micha Czernows hack

Centering in relation to another item

Vertically align an image inside div

Centering vertically and horizontally without worrying about height or width

Centering with fixed size

Vertically align dynamic height elements

Horizontal and Vertical centering using table layout