Bootstrap 5 - Dropdown menu - Links unresponsive to user interaction

Often, I want to incorporate a Bootstrap 5 dropdown menu into my project, but I encountered an unexpected issue.

The menu opens correctly, but when I hover over the menu items, the hover effect is not triggered, and clicking on a link does not work. It appears that my menu is located behind another element.

Here is a link to the JsFiddle for reference.

HTML Code:

<body>
<div id="side-bar">

</div>

<div id="top-bar">

  <div class="d-flex justify-content-between top-bar-content">
    <div>
      <nav style="--bs-breadcrumb-divider: '>';" aria-label="breadcrumb">
        <ol class="breadcrumb">
          <li class="breadcrumb-item active">
            <a href="/accueil">Accueil</a>
          </li>
        </ol>
      </nav>
    </div>

    <div>
      <i class="fas fa-user"></i>
      <span class="text-white mx-2">Username</span>
      <a href="#" data-bs-toggle="dropdown" aria-expanded="false" id="dropdown_user">
        <i class="fas fa-bars"></i>
      </a>
      <ul class="dropdown-menu" aria-labelledby="dropdown_user">
        <li><a class="dropdown-item" href="/utilisateur/1">Mon profil</a></li>
        <li><a class="dropdown-item" href="/utilisateur/">Administration</a></li>
        <li>
          <hr class="dropdown-divider" />
        </li>
        <li><a class="dropdown-item" href="/logout">Me déconnecter</a></li>
      </ul>
    </div>
    
  </div>
</div>


<div id="main-content">
  Suuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuper 
  loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong text
  
  <div>
    <i class="fas fa-user"></i>
    <span class="text-white mx-2">Username</span>
    <a href="#" data-bs-toggle="dropdown" aria-expanded="false" id="dropdown_user">
      <i class="fas fa-bars"></i>
    </a>
    <ul class="dropdown-menu" aria-labelledby="dropdown_user">
      <li><a class="dropdown-item" href="/utilisateur/1">Mon profil</a></li>
      <li><a class="dropdown-item" href="/utilisateur/">Administration</a></li>
      <li>
        <hr class="dropdown-divider" />
      </li>
      <li><a class="dropdown-item" href="/logout">Me déconnecter</a></li>
    </ul>
  </div>
</div>

Sass Code:

body
    background-color: ghostwithe
    min-height: 100%

a
    text-decoration: none !important
    color: inherit !important

$breadcrumb-divider-color: black
$breadcrumb-active-color: black

.bold
    font-weight: bold

#side-bar
    position: fixed
    width: 260px
    z-index: 1000
    left: 0
    top: 0
    border-right: 1px solid #162636
    min-height: 100vh
    border-right: 3px solid grey

#top-bar
    position: fixed
    top: 0
    right: 0
    width: calc( 100vw - 260px )
    height: 50px
    background-color: #0984e3

#main-content
    position: fixed
    right: 0
    width: calc( 100vw - 260px )
    height: calc( 100vh - 50px )
    margin-top: 50px
    padding-left: 5px
    padding-right: 5px
    overflow-y: auto
    overflow-x: hidden

hr
    margin: 2px auto 2px auto
    border: none
    height: 2px !important

hr.cyan
    color: cyan

hr.grey
    color: #162636

.top-bar-content
    margin: 13px

.breadcrumb
    margin-bottom: 0 !important
    color: black

.breadcrumb-item
    &.active
        color: white
    &:hover
        color: white !important

However, when I place the dropdown menu elsewhere, such as in the #main-content div, it functions correctly (as seen in the JsFiddle).

I have searched online, but I have not found a similar question addressing my issue.

Here are some related cases that did not provide a solution:

  • Bootstrap link not clickable
  • Bootstrap 4 navbar dropdown menu item not clickable

There are no error messages displayed.

I need to be able to interact with my dropdown menu effectively.

If anyone has a solution, please feel free to share, and I can provide more information if needed.

Thank you!

Edit: Right below $breadcrumb-active-color, there is typically

@import "~bootstrap/scss/bootstrap"

I removed this from the JsFiddle because I suspected it might be conflicting with the bootstrap import in JsFiddle

Answer №1

Both the #header-bar and #content-body are positioned as fixed elements, causing #content-body to overlap #header-bar. As a result, when clicking on the submenu, it spills over into the #content-body but remains beneath it. To rectify this issue, apply a z-index to #header-bar that is higher than #content-body, suggested value being greater than 1, ideally 9.

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