Customize Selectpicker Background Color in Bootstrap 5

In our environment, we follow the standard of setting every input field to have a background color of lightgoldenyellow. I am encountering an issue with setting the background-color of the selectpicker in Bootstrap 5.

Below is the code I am using:

Additionally, here are the Bootstrap and jQuery libraries I have included:

<link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="d4b6bbbba0a7a0a6b5a494e1fae4fae6">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet" >
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css"/>

<!--jQuery-->
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css" rel="stylesheet"/>

<!-- Bootstrap 5 Font Icon CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="01636e6e7572757360712c68626e6f7241302f30302f32">[email protected]</a>/font/bootstrap-icons.min.css">

<!--Icon Scout-->
<link rel="stylesheet" href="https://unicons.iconscout.com/release/v4.0.8/css/line.css">

<!--Bootstrap/jQuery Select picker-->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.14.0-beta2/css/bootstrap-select.min.css"/>

<link rel="stylesheet" href="home.css">

<script src="https://code.jquery.com/jquery-3.7.1.js"></script>
<script src="https://code.jquery.com/ui/1.13.2/jquery-ui.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="d9bbb6b6adaaadabb8a999ecf7e9f7eb">[email protected]</a>/dist/js/bootstrap.bundle.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.14.0-beta2/js/bootstrap-select.min.js"></script>

<div class="container" style="overflow:visible;">
        <select name="instructor_a" id="" style="background-color: lightgoldenyellow;"  class="selectpicker" data-live-search = "true" data-size="3" title="Select Instructor">
        <?php
            $query_instructor = "SELECT name_ FROM users
            where userlevel = '2'";

            $stmt_instructor = $pdo->prepare($query_instructor);
            //$stmt_interviewee->bindParam(":training_id", $training_id);
            $stmt_instructor->execute();

            $result_query_instructor = $stmt_instructor->fetchAll();

            foreach ($result_query_instructor as $instructors) {
                echo "<option value ='$instructors[name_]'";
                if($instructor_a === $instructors["name_"]) {
                    echo "selected";
                }
                echo">$instructors[name_]</option>";
            }

        ?>
        </select>
</div>

I attempted to apply an in-line style: 

style="background-color:lightgoldenyellow;"
but it didn't work.

I also tried adding a class to selectpicker like class="instructor-select", and then defining the style in my CSS file using 

".instructor-select {background-color:lightgoldenyellow; }"
but it still didn't work.

What would be the best way to override the default styling of the bootstrap selectpicker?

cssbootstrap-5bootstrap-selectpicker

Answer №1

Your issue likely stemmed from using the incorrect identifier for the color you wanted to utilize. An appropriate color name similar to what you tried is actually lightgoldenrodyellow.

Now that you have corrected that, the elements you should style include:

  • .bootstrap-select .dropdown-toggle
    - the dropdown box
  • .bootstrap-select > .dropdown-menu li a
    - all dropdown options
  • .bootstrap-select > .dropdown-toggle:focus
    - the focused dropdown
  • .bootstrap-select > .dropdown-toggle:hover
    - the dropdown on hover
  • .bootstrap-select > .dropdown-menu li.active a
    - the selected dropdown value
  • .bootstrap-select > .dropdown-menu li a:active
    - the selected option among others

Additionally, it's important to note that without any additional styling, when the <select> element is disabled, the dropdown will display with a gray background and a cursor that prevents further interaction.

Below is a complete example (including a disabled dropdown):

.bootstrap-select > .dropdown-toggle, /* dropdown box */
.bootstrap-select > .dropdown-menu li a, /* all dropdown options */
.bootstrap-select > .dropdown-toggle:focus, /* dropdown :focus */
.bootstrap-select > .dropdown-toggle:hover /* dropdown :hover */
{
  background-color: lightgoldenrodyellow;
}

/* dropdown - option selected - shown as the value of the dropdown */
.bootstrap-select > .dropdown-menu li.active a{  
  font-weight: bold;
  color: black;
}

/* dropdown - option selected - shown among the other available options */
.bootstrap-select > .dropdown-menu li a:active {
  color: red;
}
<link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="3a5855554e494e485b4a7a0f140a1408">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.5.2/css/all.min.css" />

<!--jQuery-->
<link href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.4/css/all.min.css" rel="stylesheet" />

<!-- Bootstrap 5 Font Icon CSS -->
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="385a57574c4b4c4a594815515b57564b7809160909160b">[email protected]</a>/font/bootstrap-icons.min.css">

<!--Icon Scout-->
<link rel="stylesheet" href="https://unicons.iconscout.com/release/v4.0.8/css/line.css">

<!--Bootstrap/jQuery Select picker-->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.14.0-beta2/css/bootstrap-select.min.css" />

<!--<link rel="stylesheet" href="home_test.css">-->
<link rel="stylesheet" href="home.css">

<!--scripts -->
<script src="https://code.jquery.com/jquery-3.7.1.js"></script>
<script src="https://code.jquery.com/ui/1.13.2/jquery-ui.min.js"></script>
<script src="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="395b56564d4a4d4b5849790c1709170b">[email protected]</a>/dist/js/bootstrap.bundle.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.14.0-beta2/js/bootstrap-select.min.js"></script>

<br>

<div class="container" style="overflow:visible;">
  <select
    name="instructor_a"
    id=""
    class="selectpicker"
    data-live-search="true"
    data-size="3"
    title="Select Instructor"    
    >
    <option value="1">bogus1</option>
    <option value="2">bogus2</option>
    <option value="3">bogus3</option>
  </select>
</div>

<hr>

<div class="container" style="overflow:visible;">
  <select
    name="instructor_b"
    id=""
    class="selectpicker"
    data-live-search="true"
    data-size="3"
    title="Select Instructor - (disabled)"    
    disabled
    >
    <option value="1">bogus1</option>
    <option value="2">bogus2</option>
    <option value="3">bogus3</option>
  </select>
</div>

<hr>

Answer №2

To style a specific element using CSS, you can target it with the selector 

.bootstrap-select > .dropdown-toggle
and apply a background color to it. For example:

.bootstrap-select > .dropdown-toggle {
  background-color: lightgoldenyellow;
}

It's important to note, as mentioned by Diego D, that lightgoldenyellow may not be a valid color code, which could lead to formatting issues.

Answer №3

Customize the bootstrap class form-select to reflect your preferred color scheme

.form-select ,
.form-select:focus,
.form-select:active,
.form-select.show {
    background-color:  #FFC000 !important;
}
<link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="e3818c8c979097918293a3d6cdd0cdd0">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet"/>
<select class="form-select" aria-label="Default select example">
  <option selected>Open this select menu</option>
  <option value="1">One</option>
  <option value="2">Two</option>
  <option value="3">Three</option>
</select>

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