Jens Oliver Meiert

CSS: When to Use Logical Properties

Post from November 22, 2019, filed under .

Brief thoughts on a more complex matter. Logical properties are great and long overdue. They are great because they solve an ugly problem of international, multi-directional web development in that directionality does not need to affect your writing and managing of CSS anymore.

Example: Write

p {
  margin-inline-start: 1rem;
}

instead of something (intentionally verbose) like

p {
  margin-left: 1rem;
  margin-right: 0;
}

[dir='rtl'] p {
  margin-left: 0;
  margin-right: 1rem;
}

But when should you use logical properties?

First, when support is sufficient for your project’s needs.

Then, when that’s the case, there are really two answers:

The reasonable answer: If you actually work with sites or apps with two directionalities. Logical properties may turn into a best practice, but not using logical properties may actually never turn into a bad practice for projects of only one directionality.

The easy answer: If you want to. It’s completely up to you.

All other answers are nonsense, especially when they contain being judged or guilt-tripped (or trolled) by other developers.

About Me

Jens Oliver Meiert, on April 29, 2020.

I’m Jens Oliver Meiert, and I’m a web developer and author. I love trying things (sometimes involving philosophy, art, or adventure). Here on meiert.com I share some of my views and experiences.

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Have a look at the most popular posts, possibly including:

Cover: CSS Optimization Basics.

Perhaps my most relevant book: CSS Optimization Basics (2018). Writing CSS is a craft. As craftspeople we strive to write high quality CSS. In CSS Optimization Basics I lay out some of the most important aspects of such CSS. (Also available in a bundle with Upgrade Your HTML and The Web Development Glossary.)

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Last update: November 22, 2019

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