Maintaining Body Background Image Visibility While Adjusting Element Opacity/Transparency: A Complete Guide

As someone new to coding, I have a question for you all. This is the first time I haven't been able to find an answer online, perhaps due to my inability to effectively describe it. However, I have posted a picture to help illustrate my issue.

I am looking to create a dark shaded background for an element while keeping the body background visible. Can anyone provide guidance on how to achieve this using CSS?

Thank you in advance!

Answer №1

To customize the appearance of an element, you can specify a background using the following code: background-color: rgba(0,0,0,0.5); Make sure to note the value 0.5 in the color declaration—it ranges from 0 to 1. The higher the number, the darker the shade.

Answer №2

  • create a div with position absolute
  • set it's background-color as black
  • set it's opacity as 0.5(adjust opacity as needed to control the level of transparency).

html{
      width:100%,height:100%;
      }
    body{ 
      background-image: url(https://i.sstatic.net/wwy2w.jpg);
      height:100%;
      width:100%;
      background-size:cover;
      }
#black-box{
  position:absolute;
  background-color:black;
  opacity:0.5;
  width:50%;
  top:10%;
  left:10%;
  height:50%;
  }
<body>
      <div id="black-box"></div>
    </body>

Answer №3

To achieve a background image, you will first need to create a div for the background image. Then, another div should be added to vertically align the content similar to your example, followed by a third div to hold the content.

HTML:

<div class="background">
   <div class="background-module">
      <div class="background-info">
          <h1>Greetings</h1>
          <p>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Mauris non imperdiet enim. Aenean eget dolor in risus aliquam pellentesque. Ut porta nec ex vel tincidunt. Maecenas varius accumsan posuere. Donec non blandit ipsum. Duis vel eros nunc. Donec aliquam ac ipsum et ultrices.</p>
          <form>
            <input type="email" />
            <button type="submit">Submit</button>
          </form>
       </div>
    </div>
</div>

CSS:

.background {
  background:url("https://example.com/background.jpg") no-repeat center top;
  background-size: cover;
  height:800px; /* adjust as needed */
  display:table; /* necessary for vertical alignment */
  width:100%;
}

.background-module {
  display:table-cell; /* necessary for vertical alignment */
  vertical-align:middle; /* necessary for vertical alignment */
}

.background-info {
  background:rgba(0, 0, 0, 0.5); /* creates opacity effect like in your example */
  padding: 15px;
  text-align: center;
  width:50%;
  margin:0 auto;
}

Check out this working fiddle for reference > https://jsfiddle.net/abc123/

Answer №4

If you're looking to create something similar, check out this example

Here's the HTML code snippet:

<div class="wrapper">
  <div class="box">
    <div class="content-block">
      <p>Your Content Here</p>
      <div class="overlay-effect"></div>
    </div>    
  </div>
</div>

And here's the corresponding CSS:

.wrapper {
  width:1200px;
  background: white url(http://lorempixel.com/1200/1000/nature/2/) no-repeat center;
  height: 300px;
  padding: 40px 0;
  margin : 10px auto;
}
.content-block {
  display:block;
  width: 60%;
  height: 150px;
  background:transparent;
  margin: 0 auto;
  position:relative;
}
.overlay-effect {
  width:100%;
  height:150px;
  background: rgba(0,0,0,0.6);
  position:absolute;
  left:0;
  top:0;
  z-index: 0;
}
p {
  padding: 15px;
  color: #FFFFFF;
  position: relative;
  z-index: 1;
}

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