This content originally appeared on Manuel Matuzović - Blog and was authored by Manuel Matuzović
Logical properties are a new way of working with directions and dimensions, one that allows you to control layout through logical, rather than physical mappings. This is especially useful, if you’re dealing with websites that are presented in different languages and writing modes, like right-to-left.
Physical properties
We're used to working with physical properties like margin-right, top, or border-left. In the following example, list items are positioned horizontally, and each item has a right margin.
HTML:
<ul>
<li>One</li>
<li>Two</li>
<li>Three</li>
</ul>CSS:
li {
background-color: #6befef;
margin-right: 2rem;
}- One
- Two
- Three
When you change the reading direction from right to left, you'd expect the first item to be positioned at the right edge of its parent, but it's not because physical properties don't change with the reading direction.
HTML:
<ul dir="rtl">
<li>One</li>
<li>Two</li>
<li>Three</li>
</ul>- One
- Two
- Three
Logical properties
Using logical properties, “One” is at the very right in right-to-left languages because logical properties don't work with the concept of top and bottom or left and right, but start and end, which switches depending on the writing mode.
HTML:
li {
margin-inline-end: 2rem;
}- One
- Two
- Three
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This content originally appeared on Manuel Matuzović - Blog and was authored by Manuel Matuzović
Manuel Matuzović | Sciencx (2022-09-27T00:00:00+00:00) Day 2: logical properties. Retrieved from https://www.scien.cx/2022/09/27/day-2-logical-properties-2/
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