Flexbox: flex-start/flex-end, self-start/self-end, and start/end; What’s the difference?

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The values flex-end and flex-start (among others) were created for use with flex layout.

However, the W3C has been developing the Box Alignment Module, which establishes a common set of alignment properties and values for use across multiple box models, including flex, grid, table and block.

So what you’re seeing are the newer values that will eventually replace the existing layout-specific values.

Here’s how it’s described in the flexbox specification:

§ 1.2. Module
interactions

The CSS Box Alignment Module extends and supercedes the definitions of
the alignment properties (justify-content, align-items,
align-self, align-content) introduced here.

There’s similar language in the Grid specification. Here’s an example:

§ 10.1. Gutters: the row-gap, column-gap, and gap
properties

The row-gap and column-gap properties (and their gap shorthand),
when specified on a grid container, define the gutters between grid
rows and grid columns. Their syntax is defined in CSS Box Alignment 3
§8 Gaps Between Boxes.

The original properties – grid-row-gap, grid-column-gap and grid-gap – didn’t last long. Although, for the sake of backward compatibility, I’m sure they’re still respected.

More Related Contents:

  1. Make a div span two rows in a grid
  2. Aligning grid items across the entire row/column (like flex items can)
  3. Equal height rows in CSS Grid Layout
  4. Areas covered by Flexbox which are difficult or impossible to achieve with Grid
  5. A grid layout with responsive squares
  6. Create a Masonry grid with flexbox (or other CSS)
  7. How can I make a div span multiple rows and columns in a grid?
  8. Without media queries how to achieve 3 column desktop to 1 column mobile layout
  9. Can flex items wrap in a container with dynamic height?
  10. Prevent content from expanding grid items
  11. What’s the difference between align-content and align-items?
  12. Position deeply nested elements in a higher level grid container
  13. Align child elements of different blocks
  14. How does flex-shrink factor in padding and border-box?
  15. What is the difference between auto-fill and auto-fit?
  16. How to change flexbox wrap?
  17. css grid of squares with flexbox
  18. Using CSS transitions in CSS Grid Layout
  19. Set flexbox children to have different heights to use up available space
  20. CSS Grid – Auto height rows, sizing to content
  21. Prevent flex item from exceeding parent height and make scroll bar work
  22. Percentage padding / margin on grid item ignored in Firefox
  23. How can I change the order of Bootstrap columns?
  24. How do I set distance between flexbox items?
  25. How to control number of items per row using media queries in Flexbox?
  26. How do you collapse unused row in a CSS grid?
  27. Row Wrap in flex-box not wrapping in Safari
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  29. minmax fails (invalid property value)
  30. First-child full-width in Flexbox

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