Nesting
In this lesson, we'll be introducing the SASS nesting syntax.
We'll cover the following
When you observe the structure of an HTML file, you’ll notice it has a very clear hierarchy:
<!DOCTYPE html>
<html>
<head>
<title>Page Title</title>
</head>
<body>
<h1>My First Heading</h1>
<p>My first paragraph.</p>
</body>
</html>
As you can see, HTML has a structure that makes it quite easy to read.
CSS, on the other hand, lacks this visual structure. Which is why it has a tendency to become disorganized quite quickly. Enter Sass nesting!
Definition #
Using nesting, we can nest child selectors inside of the parent selector.
This results in much cleaner and less repetitive code.
Example #
Take the following HTML:
<nav class="navbar">
<ul>
<li>Home</li>
<li>Store</li>
<li>Contact Us</li>
</ul>
</nav>
Using regular CSS, we would write this like so:
There’s a lot of repetition here. Each time we want to style a child of navbar
, we have to repeat the class name.
With Sass, we can write much cleaner code.
Like so:
Using indentation, you can now see the ul
and li
selectors are neatly nested inside the navbar
selector.
We have a much less repetitive syntax, which is far easier to read! Working with stylesheets is about to get fun!
Next up, we’ll be looking at mixins.
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