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W3.CSS Tutorial• 6 min read
Responsive Navigation Bars & Dropdowns
Building horizontal desktop navbars that collapse on mobile with w3-bar
The w3-bar utility creates horizontal and vertical navigation bars with hoverable dropdown menus and right-aligned action buttons.
Navigation Bar Architecture
w3-bar: The horizontal bar container.
w3-bar-item: Individual navigation links or buttons inside the bar.
w3-right: Floats navigation items to the far right (e.g. Login, Sign Up).
w3-dropdown-hover: Pure CSS dropdown menu that opens smoothly on hover without requiring JavaScript.
Pure CSS Responsive Top Navbar
<div class="w3-bar w3-black w3-card">
<a href="#" class="w3-bar-item w3-button w3-teal"><b>Codexia</b></a>
<a href="#" class="w3-bar-item w3-button">Tutorials</a>
<a href="#" class="w3-bar-item w3-button">Exercises</a>
<!-- Hover Dropdown -->
<div class="w3-dropdown-hover">
<button class="w3-button">Certificates ▾</button>
<div class="w3-dropdown-content w3-bar-block w3-card-4">
<a href="#" class="w3-bar-item w3-button">HTML Certificate</a>
<a href="#" class="w3-bar-item w3-button">Python Certificate</a>
</div>
</div>
<a href="#" class="w3-bar-item w3-button w3-right w3-green">Log In</a>
</div>Pure CSS dropdowns function flawlessly without any JavaScript runtime.
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Test Yourself With Exercise
Which W3.CSS component provides pure CSS hover dropdown menus without needing JavaScript event handlers?