Skip to content

CSS Glow Effect

The CSS box-shadow property can help you to create a CSS glow effect on just about any HTML element. This particular glow effect applies to boxes. A similar effect that applies to text (which appears to glow each letter) would need layered text shadows.

Here is the syntax followed by a demo and quick breakdown:

.glow {
  box-shadow: rgba(72, 135, 202, 0.8) 0 0 90px 33px;
}
Code language: CSS (css)

Note that the effectiveness of the glow depends on the background color the glow appears on. Most realistic glow effects require a dark background, but you can achieve a similar effect using a light background by tweaking the values.

  • The first value is the color of the “glow” (i.e. the “shadow” color); this example uses rgba notation but other formats are also possible as long as opacity is used
  • The syntax and value for the opacity setting will depend on the color format used, which you can adjust as needed
  • The first two “0” values are the vertical and horizontal offsets, which should stay at 0 so the glow appears to come from the center
  • The third value is the “blur” radius, which you can adjust as needed, though higher values are better for a nicer glow
  • The fourth value is the “spread” distance, which determines how far the glow appears around the element

You can see the CSS glow effect in the CodePen demo below. Feel free to adjust the values, including the color of the glow, to try different glow styles.

2 Comments
Most Voted
Newest Oldest
Inline Feedbacks
View all comments
Muhammad Arslan
January 13, 2024 7:07 am

Thank you very much, Louis. These kind of snippets really help me when I am busy in a project and don’t have time to look out css properties in the docs.

Member
Ivica
January 13, 2024 10:11 am

🙂

Note: To the best of our knowledge, the information above and the snippet are accurate and up to date. However, in case you notice something wrong, please report snippet or leave a comment below.
Back to Snippets

Or start the conversation in our Facebook group for WordPress professionals. Find answers, share tips, and get help from other WordPress experts. Join now (it’s free)!

Most Searched Articles

Best JavaScript Libraries and Frameworks: Try These 14 in 2024

In this post, we look at the best JavaScript libraries and frameworks to try out this year. Why? Well, with JavaScript being available in every web browser, this makes it the most accessible programming language of ...

25 Best Free WordPress Themes (Responsive, Mobile-Ready, Beautiful)

If you're looking for only the best free WordPress themes in the market for this year, then you're in the right place. We have more than enough such themes for you right ...

12 Best WordPress Hosting Providers of 2024 Compared and Tested

Looking for the best WordPress hosting that you can actually afford? We did the testing for you. Here are 10+ best hosts on the market ...

Handpicked Articles

How to Make a WordPress Website: Ultimate Guide for All Users – Beginners, Intermediate, Advanced

Many people wonder how to make a WordPress website. They’ve heard about WordPress, its incredible popularity, excellent features and designs, and now they want to join the pack and build a WordPress website of their own. So, where does one get ...

How to Start an Ecommerce Business: Ultimate Guide for 2024

Is this going to be the year you learn how to start an eCommerce business from scratch? You’re certainly in the right place! This guide will give you a roadmap to getting from 0 to a fully functional eCommerce business. ...