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CSS: Line height

Line height (interline spacing) is important when working with text. This parameter determines how much space there will be between lines.

Insufficient line spacing Optimal line height

Text with a font size of 14 pixels and 14-pixel line height

Text with a font size of 14 pixels and 21 pixel line height

Note that the left-hand text is harder to read. This is due to the fact that your eyes don't stay on one line, rather they constantly move between them.

To set the line height, we use the line-height property. The value is a number and a unit of measure. As with setting font size, you can use different units of measurement, but in this course we'll use pixels. Other units of measure will be explored later


Add a paragraph to the editor with the class set to line-height with a font size of 24 pixels and a line spacing of 36 pixels. Add styles to the <style> tag.

Try adding long phrases to the paragraph and adjusting the line height to see how it affects readability

The exercise doesn't pass checking. What to do? 😶

If you've reached a deadlock it's time to ask your question in the «Discussions». How ask a question correctly:

  • Be sure to attach the test output, without it it's almost impossible to figure out what went wrong, even if you show your code. It's complicated for developers to execute code in their heads, but having a mistake before their eyes most probably will be helpful.
In my environment the code works, but not here 🤨

Tests are designed so that they test the solution in different ways and against different data. Often the solution works with one kind of input data but doesn't work with others. Check the «Tests» tab to figure this out, you can find hints at the error output.

My code is different from the teacher's one 🤔

It's fine. 🙆 One task in programming can be solved in many different ways. If your code passed all tests, it complies with the task conditions.

In some rare cases, the solution may be adjusted to the tests, but this can be seen immediately.

I've read the lessons but nothing is clear 🙄

It's hard to make educational materials that will suit everyone. We do our best but there is always something to improve. If you see a material that is not clear to you, describe the problem in “Discussions”. It will be great if you'll write unclear points in the question form. Usually, we need a few days for corrections.

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