Modify the bootstrap dropdown background to display only an image

I am looking to make the image in a dropdown/dropup menu fill the entire background of the dropdown. Currently, there is still white space visible around the image. How can I ensure that the dropdown shows only the image and includes a scroll wheel?

Additionally, I would like to know how one can customize the appearance of the scroll wheel using CSS.

(I have used a green background to highlight the undesired area)

CSS for Dropdown

        .dropdown-menu {
            width: 100%;
            background-image: url('Res/IM/page.png');
            background-size: 100% 100%;
            background-color: #1e7e34;
        }

Dropdown Code Snippet

<div id="inv1" class="dropdown-menu" style="min-height: 35vh; resize: vertical;background-image: url('Res/IM/page.png'); background-size: 100% 100%;" >
                        <div class="scrollable">
                            <a href="#" data-toggle="collapse" data-target="#inv1" class="dropdown-header text-right">X</a>
                            <YOUR CODE HERE AND IT IS NOT RELEVANT>
                        </div>
</div>

Answer №1

Is this the one you're referring to?

.dropdown-menu {
  background: url(https://t4.ftcdn.net/jpg/01/08/13/09/240_F_108130971_d2e6YQdGAfERW4p75YuJPQQsGZZXk41D.jpg);
  background-size: 100% 100%;
  background-color: transparent ;
}

a.dropdown-item {
  color: red;
  font-weight:bold
}

a.dropdown-item:hover {
  background-color: transparent ;
  color:white;
}
<!DOCTYPE html>
<html>

<head>
  <title>Bootstrap Example</title>
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
  <script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
  <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>
</head>

<body>

  <div class="dropdown">
    <button type="button" class="btn btn-primary dropdown-toggle" data-toggle="dropdown">
    Dropdown button
  </button>
    <div class="dropdown-menu">
      <a class="dropdown-item" href="#">Link 1</a>
      <a class="dropdown-item" href="#">Link 2</a>
      <a class="dropdown-item" href="#">Link 3</a>

    </div>
  </div>
</body>

</html>

Answer №2

.dropdown-menu{
background-image: url('https://images.pexels.com/photos/949587/pexels-photo-949587.jpeg?auto=compress&cs=tinysrgb&dpr=1&w=500');
background-size: 100% 100%;
}
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css">
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.0/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js"></script>
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js"></script>

 <div class="dropdown">
    <button type="button" class="btn dropdown-toggle" data-toggle="dropdown">
      Dropdown button
    </button>
    <div class="dropdown-menu">
      <a class="dropdown-item" href="#">Link 1</a>
      <a class="dropdown-item" href="#">Link 2</a>
      <a class="dropdown-item" href="#">Link 3</a>
    </div>
  </div>
 
Please review this code snippet, it may be the solution you are looking for! :)

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