The CSS styles do not seem to be taking effect on the Bootstrap

Here's a snippet of code extracted from my website's html and css files. My intention is to make the navbar slightly transparent with centered links, but for some reason, the css styles are not applying correctly to the navbar.

HTML

    <body>
        <div class="container-fluid">
            <div class="row">
                <div class="col-lg-12">
                    
                    <!--Navigation bar-->
                    <nav class="navbar navbar-expand-md bg-dark navbar-dark transparent" id="navbar">
                        <a class="navbar-brand" href="index.html">
                            <img src="images/DallE_Extendo-removebg.png" width="80" height="60" alt="">
                            </a>
                        <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
                            <span class="navbar-toggler-icon"></span>
                        </button>
                        <div class="collapse navbar-collapse" id="navbarNav">
                            <ul class="navbar-nav">
                                <li class="nav-item active">
                                    <a class="nav-link" href="index.html">Home</a>
                                </li>
                                <li class="nav-item">
                                    <a class="nav-link" href="aboutus.html">About us</a>
                                </li>
                                <li class="nav-item">
                                    <a class="nav-link" href="products.html">Products</a>
                                </li>
                                <li class="nav-item">
                                    <a class="nav-link" href="contactus.html">Contact us</a>
                                </li>                        
                            </ul>
                        </div>
                    </nav>
                    <!--NavBar Ends-->

                    <img src="images/ShopInsideBooking (4).png" class="img-fluid" alt="Responsive image">

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

CSS

#navbar{
    justify-content: center;
    align-items: center;
    background-color: rgba(0, 0, 0, 0.5);
  }
  

Looking forward to any assistance provided :)

Answer №1

Correct.

To resolve the transparency issue, it is essential to include the !important declaration on the background-color property as Bootstrap comes with a predefined set of styles that can be challenging to override without it.

You can also use opacity instead of altering the background color if you are satisfied with the current color scheme and it provides an acceptable outcome.

When it comes to aligning elements, Bootstrap offers several flex features (especially in BS5) that can be utilized effectively.

In this scenario, I recommend separating the <nav> from the div/row/col structure because div elements do not have inherent flex properties, potentially requiring adjustments to multiple elements or resorting to margin hacks for proper alignment. You may opt to apply the container directly to the nav or navbar items, based on your preference, but eliminate the row/col division since the navigation bar typically serves as the primary navigation component.

After removing the div/row/col structure, you can simply configure the nav#navbar element as flex and incorporate a margin: 0 auto rule for center alignment.

For example, refer to this demo link: https://jsfiddle.net/x1c0yanr/

nav#navbar {
  background-color:rgba(0,0,0,0.5) !important;
}

nav#navbar ul.navbar-nav {
  display: flex;
  margin: 0 auto;
}

EDIT: Upon further inspection, I noticed that you are utilizing Bootstrap 4 so I conducted additional testing using BS4.4.1. The solution still works effectively :) Feel free to explore the capabilities of flex for seamless alignment, arrangement, and ordering within your layout. Here's the updated JSFiddle demonstrating its implementation in BS4.4.1: https://jsfiddle.net/v3dn8cqu/

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