The custom CSS I have created does not take precedence over the Bootstrap CSS

I'm struggling to understand why my custom CSS file isn't able to override the Bootstrap CSS. I know that my new CSS class should have higher priority than Bootstrap's, but for some reason, it's not working as expected. Here's the code snippet in question:

<nav class="navbar navbar-expand-lg navbar-light bg-light">

If I change bg_light to bg_red, the background color changes to red. However, when I try to define it in an external CSS file using the same selector, it doesn't work.

The line in my CSS file looks like this:

nav.bg-light {
    background-color: red;
}

I've even attempted to include all the classes in the selector:

nav.navbar.navbar-expand-lg.navbar-light.bg-light {
    background-color: red;
}

Despite these efforts, the color still does not change. What am I overlooking? I'm eager to learn how to effectively override Bootstrap CSS for customization purposes. Thank you for your assistance.

Answer №1

When working with CSS, remember that it follows the cascading logic, so always ensure that you load your CSS files AFTER bootstrap has been loaded. For example:

<link rel="stylesheet" href="css/bootstrap.css">
<link rel="stylesheet" href="css/style.css">

If you are still experiencing issues, it may be because the bootstrap class was defined with an !important property. In this scenario, you will need to add !important to your own class as well.

nav.bg-light {
    background-color: red !important;
}

Answer №2

.bg-light is a utility class in Bootstrap that sets the background color to light. It uses the !important property in CSS, making it difficult to override without also using !important in your own CSS styles.

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