How to make the Bootstrap mobile navigation menu taller?

I'm having trouble adjusting the height of the collapsed mobile drop-down navigation. Right now, it's stuck at around 340px and I need it to expand to accommodate all the menu items within the collapsed nav. Despite my efforts searching on Google and other places for a solution, nothing seems to work, even when using !important.

Here's an image illustrating the issue to clarify things. In the screenshot, the blue bordered area is what needs to be adjusted. It appears to have a fixed height, but I require it to increase by another 50px-100px for this specific application. I haven't included any code here since I'm just looking for the most effective way to modify the default height for future reference.

https://i.stack.imgur.com/Fao8b.jpg

Thank you for your assistance! EDIT: I didn't include any code because I'm currently working with the default bootstrap nav code, so I didn't think it was necessary to provide references.

Below is the code snippet where I'm using a basic template from startbootstrap.com:

<nav class="navbar navbar-default navbar-fixed-top" role="navigation">
<!-- Code omitted for brevity -->
</nav>

I haven't implemented any custom CSS yet as this is my initial attempt at modification and I'm unsure where in the CSS the changes should be made for the dropdown nav.

https://i.stack.imgur.com/nmerm.jpg

htmlcsstwitter-bootstrap

Answer №1

It's difficult to determine the issue with the height without seeing the code firsthand. Try adding more <li>'s to the menu and see if it expands.

If not, there may be a fixed height or max-height CSS property applied to the .dropdown-menu

Suggested Revision:

It appears that either of these elements;

<div class="collapse navbar-collapse navbar-ex1-collapse">
  <ul class="nav navbar-nav">

has a predefined height or max-height along with overflow:auto properties.

Inspect these elements in Chrome to confirm. If so, adjust the height:auto; and/or modify the max-height to allow for increased height on the element.

You can make these changes in your custom CSS file, ensuring it loads after the Bootstrap CSS file for proper override.

If you provide a link, I can review and offer specific code adjustments needed to address the height issue.

Answer №2

Dealing with a mobile collapsed drop-down navigation issue can be frustrating, especially when a scrollbar appears instead of showing all the navigation links. I came up with a solution by hiding the scrollbar and extending the size of my data-target div.

To hide the scrollbar, you can use the following CSS code:

.navbar-collapse.in {
    overflow: hidden;
}

Next, to add extra space at the bottom for mobile devices, simply adjust the padding on the data-target div with this media query:

@media (max-width: 768px) {
  .navbar-ex1-collapse {
      padding-bottom: 50px;
  }
}

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