Creating a unique Bootstrap background design

I have recently started using bootstrap and I am facing an issue. I want to change the background of a container when hovering over it, but I am having trouble getting it right.

HTML

<div class="container bg-black h-25 w-25 box"></div>

CSS

.box:hover{                                   
  background-color: red;                                    
  box-shadow: 5px 5px red; 
}

Initially, I thought I might not be selecting it correctly. Though I managed to get the shadow effect on hover, the background color still does not change.

Before Hover https://i.sstatic.net/gzrbZ.png

After Hover https://i.sstatic.net/6XnPC.png

What I have tried I went through the official documentation and also checked out answers on this stackoverflow post, but unfortunately, I am still stuck.

I would really appreciate any help or guidance. Thank you in advance!

cssbootstrap-5

Answer №1

After exploring the Bootstrap 5 css file, I discovered that background colors are marked as !important which means that most css rules won't work as intended. However, we can slightly increase the specificity by using div.your-class and also adding !important, like in the example below:

.container {
  color: yellow;
  margin-bottom: 1rem;
  border-radius: 0.25rem;
  padding: 0.125rem;
}

.black {
  background-color: red !important;
}

/* By using div.classname, we enhance the specificity of this rule to override the css rule in Bootstrap */
div.black-importanter {
  background-color: red !important;
}
<link href="https://cdn.jsdelivr.net/npm/<a href="/cdn-cgi/l/email-protection" class="__cf_email__" data-cfemail="4e2c21213a3d3a3c2f3e0e7b607e607c">[email protected]</a>/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-EVSTQN3/azprG1Anm3QDgpJLIm9Nao0Yz1ztcQTwFspd3yD65VohhpuuCOmLASjC" crossorigin="anonymous">

<div class='container black bg-dark'>Nope!</div>
<div class='container black-importanter bg-dark'>Yay!</div>

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