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Role of CSS :last-child Selector
The CSS :last-child selector is a pseudo-class that targets an element that is the last child of its parent container. This selector is commonly used to apply specific styles to the final element in a group, such as removing bottom margins or adding special formatting.
Syntax
selector:last-child {
property: value;
}
Example: Styling Last Paragraph
The following example demonstrates how to style the last paragraph element with an orange background −
<!DOCTYPE html>
<html>
<head>
<style>
p:last-child {
background-color: orange;
padding: 10px;
border-radius: 5px;
}
</style>
</head>
<body>
<p>This is demo text1.</p>
<p>This is demo text2.</p>
<p>This is demo text3.</p>
</body>
</html>
Three paragraphs appear on the page. The first two paragraphs have default styling, while the third paragraph (last child) has an orange background with padding and rounded corners.
Example: Removing Bottom Margin from Last Item
A common use case is removing the bottom margin from the last element in a list −
<!DOCTYPE html>
<html>
<head>
<style>
.container {
border: 2px solid #333;
padding: 20px;
width: 300px;
}
.item {
background-color: #f0f0f0;
padding: 10px;
margin-bottom: 15px;
}
.item:last-child {
margin-bottom: 0;
}
</style>
</head>
<body>
<div class="container">
<div class="item">Item 1</div>
<div class="item">Item 2</div>
<div class="item">Item 3</div>
</div>
</body>
</html>
A container with three items appears. Each item has a gray background and padding. The first two items have a 15px bottom margin, while the last item has no bottom margin, creating a cleaner container edge.
Conclusion
The :last-child selector is essential for creating polished layouts by targeting the final element in a container. It's particularly useful for removing unwanted margins and applying special styling to closing elements.
Updated on: 2026-03-15T12:20:47+05:30
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