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How to change Bootstrap dropdown background color & color in CSS?


I have been trying everything to change the background-color & color of the dropdown with no success (dropdown-menu & dropdown-item). Now the background color of the dropdown is very light grey and the hover on each item has a medium light grey background and a yellow color which are not very contrasted and I need to change them.

/* navbar */

.navbar-nav {
  font-weight: bold !important;
}


/* navbar bgn color */

.nav-item a,
.nav-item a:link,
.nav-item a:visited {
  color: var(--bodyPage) !important;
}


/* navbar item font color */

.nav-item a:hover,
.nav-item a:focus {
  color: var(--linkHover) !important;
}


/* navbar item hover font color */

.active a,
.nav-item .active a:link,
.active a:visited {
  color: var(--navActive) !important;
}


/* active navbar item font color */

.active a:hover,
.active a:focus {
  color: var(--linkHover) !important;
}


/* active navbar item hover font color */


/* links */

a,
a:link,
a:visited {
  color: var(--link);
}

a:hover,
a:focus {
  color: var(--linkHover);
}

.site-footer a,
.site-footer a:link,
.site-footer a:visited {
  color: var(--link);
}


/* footer link color */

.site-footer a:hover,
.site-footer a:focus {
  color: var(--linkHover);
}


/* footer hover link color */

.site-page a,
.site-page a:link,
.site-page a:visited {
  color: var(--link);
}


/* page body link color */

.site-page a:hover,
.site-page a:focus {
  color: var(--linkHover);
}


/* page body hover link color */

.banner a,
.banner a:link,
.banner a:visited {
  color: var(--link);
}


/* banner link color */

.banner a:hover,
.banner a:focus {
  color: var(--linkHover);
}


/* banner hover link color */

.no-banner a,
.no-banner a:link,
.no-banner a:visited {
  color: var(--link);
}


/* no banner link color */

.no-banner a:hover,
.no-banner a:focus {
  color: var(--linkHover);
}


/* no banner hover link color */

.navbar-default .navbar-toggle {
  background-color: red !important;
}

@media (max-width:992px) {
  .navbar-nav {
    background-color: black !important;
    padding: 8px !important;
  }
}


/* dropdown menu */

.dropdown-menu {
  background-color: rgb(99, 97, 97) !important;
}

.dropdown-item a:hover {
  background-color: rgb(0, 0, 0) !important;
}
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/css/bootstrap.min.css" integrity="sha384-Gn5384xqQ1aoWXA+058RXPxPg6fy4IWvTNh0E263XmFcJlSAwiGgFAW/dAiS6JXm" crossorigin="anonymous">
<script src="https://code.jquery.com/jquery-3.2.1.slim.min.js" integrity="sha384-KJ3o2DKtIkvYIK3UENzmM7KCkRr/rE9/Qpg6aAZGJwFDMVNA/GpGFF93hXpG5KkN" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/popper.js@1.12.9/dist/umd/popper.min.js" integrity="sha384-ApNbgh9B+Y1QKtv3Rn7W3mgPxhU9K/ScQsAP7hUibX39j7fakFPskvXusvfa0b4Q" crossorigin="anonymous"></script>
<script src="https://cdn.jsdelivr.net/npm/bootstrap@4.0.0/dist/js/bootstrap.min.js" integrity="sha384-JZR6Spejh4U02d8jOt6vLEHfe/JQGiRRSQQxSfFWpi1MquVdAyjUar5+76PVCmYl" crossorigin="anonymous"></script>

<body data-spy="scroll" data-target=".site-navbar-target" data-offset="300">
  <div class="site-wrap" id="home-section">
    <header class="container-fluid sticky site-header" id="headerSite">
      <div class="container">
        <nav class="navbar navbar-expand-md navbar-light">
          <div class="collapse navbar-collapse justify-content-between" id="navbarCollapse">
            <div class="navbar-nav mr-auto">
              <li class="nav-item"><a href="/dashboard" class="nav-link">Dashboard</a></li>
              <div class="nav-item dropdown">
                <a href="#" class="nav-link dropdown-toggle" id="dropdownNav" data-bs-toggle="dropdown">database</a>
                <div class="dropdown-menu" aria-labelledby="dropdownNav">
                  <a href="..." class="dropdown-item">table1</a>
                  <a href="..." class="dropdown-item">table2</a>
                  <a href="..." class="dropdown-item">table3</a>
                </div>
              </div>
            </div>
          </div>
        </nav>
      </div>
    </header>


Solution

  • Here is your solution... now it change successfully i explain my to the comment of the code check please use this code to your css file or in the style tag then the dropdown will be changed...

    .dropdown {
                background-color: aqua !important;
                /* this is for dropdown background */
            }
    
            .dropdown a {
                color: whitesmoke !important;
                /* this is for dropdown text color */
            }
    
            .dropdown-menu {
                background-color: brown !important;
    /* this is for dropdown menu background */
            }
    
            a.dropdown-item {
                color: blueviolet !important;
    /* this is for dropdown menu text color */
            }
    
            a.dropdown-item:hover {
                background-color: chocolate;
                color: seagreen !important;
    /* this is for dropdown menu hover background and text color */
            }
    <script src="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/js/bootstrap.bundle.min.js"></script>
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0-alpha3/dist/css/bootstrap.min.css" rel="stylesheet"/>
    
    
    
        <nav class="navbar navbar-expand-lg bg-body-tertiary">
            <div class="container-fluid">
                <a class="navbar-brand" href="#">Navbar</a>
                <button class="navbar-toggler" type="button" data-bs-toggle="collapse"
                    data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false"
                    aria-label="Toggle navigation">
                    <span class="navbar-toggler-icon"></span>
                </button>
                <div class="collapse navbar-collapse" id="navbarSupportedContent">
                    <ul class="navbar-nav me-auto mb-2 mb-lg-0">
                        <li class="nav-item">
                            <a class="nav-link active" aria-current="page" href="#">Home</a>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link" href="#">Link</a>
                        </li>
                        <li class="nav-item dropdown">
                            <a class="nav-link dropdown-toggle" href="#" role="button" data-bs-toggle="dropdown"
                                aria-expanded="false">
                                Dropdown
                            </a>
                            <ul class="dropdown-menu">
                                <li><a class="dropdown-item" href="#">Action</a></li>
                                <li><a class="dropdown-item" href="#">Another action</a></li>
                                <li>
                                    <hr class="dropdown-divider">
                                </li>
                                <li><a class="dropdown-item" href="#">Something else here</a></li>
                            </ul>
                        </li>
                        <li class="nav-item">
                            <a class="nav-link disabled">Disabled</a>
                        </li>
                    </ul>
                    <form class="d-flex" role="search">
                        <input class="form-control me-2" type="search" placeholder="Search" aria-label="Search">
                        <button class="btn btn-outline-success" type="submit">Search</button>
                    </form>
                </div>
            </div>
        </nav>