Creating a Video Background

To create a video background, use the video element in HTML and use CSS to position it behind your content. The video should be muted, loop automatically, and playsinline for best results.

A video background can provide a modern, dynamic look to your website. It's often used for large hero sections, welcome areas, or landing pages.

The HTML Syntax

To use a video as a background, you'll need a container for your content and the video itself:

Why these attributes?

autoplay: Starts the video immediately upon load.
muted: Required to enable autoplay in most browsers. Background videos should never have sound.
loop: Ensures the background video keeps playing continuously.
playsinline: Often required to ensure the video plays within the browser window on mobile devices, rather than opening in a full-screen player.

The CSS Styling

To make the video behave as a background, you can use the following CSS properties to ensure it covers the container area:

The object-fit: cover; property is the most modern approach and handles the scaling and cropping for you automatically.

Interactive Example

Below is a working example of a video background with text content overlaid on top:

<!DOCTYPE html>
<html>
<head>
<title>Video Background Example</title>
<style>
  .video-bg-container {
    position: relative;
    width: 100%;
    height: 300px;
    overflow: hidden;
    background-color: #000;
  }
  .video-bg-container video {
    position: absolute;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
    object-fit: cover;
  }
  .content {
    position: relative;
    z-index: 10;
    color: #fff;
    font-family: Arial, Helvetica, sans-serif;
    font-size: 1.5em;
    text-align: center;
    padding-top: 40px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
  }
</style>
</head>
<body>
  <h2>Video Background</h2>
  
  <div class="video-bg-container">
    <video autoplay muted playsinline poster="/pix/samples/35l.jpg">
      <source src="/video/koh_kood_3m.mp4" type="video/mp4">
    </video>
    <div class="content">
      <h1>Welcome</h1>
      <p>This text is sitting on top of a video background.</p>
    </div>
  </div>

<p>The CSS uses <code>object-fit: cover</code> and absolute positioning to ensure the video always covers its container area.</p>
</body>
</html>

View Output Full Screen Preview

Background Video Performance

Video backgrounds can be large files, so it's important to optimize them for the web (e.g., using a short, low-bitrate video). Additionally, always include a poster attribute (which is just a regular image) in your video tag. This provides a fallback while the video is loading or if the browser doesn't support video.