Ensure the background image within the ::before selector spans across the entire screen

My CSS code snippet is as follows:

div#bodyContainer:before {
      content: url(/image/colorbar.png);
      width: 100%;
      display: block;  
   }

Below is the corresponding HTML:

<body>
       <div id="bodyContainer">
           In post mean shot ye. There out her child sir his lived. Design at uneasy me season of branch on praise esteem. Abilities discourse believing consisted remaining to no. Mistaken no me denoting dashwood as screened. Whence or esteem easily he on. Dissuade husbands at of no if disposal.     
       </div>
   </body>

The image (colorbar.png) is narrower than the screen width. I want to stretch the image horizontally across the entire screen without repeating. The current code is not achieving this. Is it possible to accomplish this effect? If so, how can I modify the code to do so?

css

Answer №1

According to CSS-Tricks, images inserted like this cannot be resized.

Answer №2

Modify the background-image attribute.

div#bodyContainer:before {
  background-image: url(https://www.w3schools.com/cssref/mountain.jpg);/*background*/
  background-repeat: no-repeat;/*do not repeat background*/
  background-size: cover;/*cover entire element by stretching it*/
  display: block;/*block elements take up entire width*/
  content: '';/*pseudo element requires content*/
  height: 100px;/*must set explicit height*/
}


div#bodyContainer:before {
  background-image: url(https://www.w3schools.com/cssref/mountain.jpg);
  background-repeat: no-repeat;
  background-size: cover;
  display: block;
  content: '';
  height: 100px;
}
html, body {
  margin: 0;
  padding: 0;
}
<body>
    <div id="bodyContainer">
        In post mean shot ye. There out her child sir his lived. Design at uneasy me season of branch on praise esteem. Abilities discourse believing consisted remaining to no. Mistaken no me denoting dashwood as screened. Whence or esteem easily he on. Dissuade husbands at of no if disposal.     
    </div>
</body>

Answer №3

It's a bit complex, but basically, you need to set a specific height or use the padding aspect ratio technique.

Afterwards, you can place your image as a background image.

div#container::before {
    content: '';
    display: block;
    width: 100%;
    height: 400px;
    background-image: url('/image/colorbar.png');
    background-size: cover;
    background-position: center;
}

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