Troubleshooting the Weired "Static Noise" CSS Gradient Bug

26 May 2023 Balmiki Mandal 0 MERN Full Stack

Making Static Noise From a Weird CSS Gradient Bug

The web is filled with unexpected surprises – from mysterious 404 pages to pixelated glitches that can bring a website crashing down. One such surprise is the strange static noise made by a weird CSS gradient bug. The bug occurs when a website uses a CSS gradient and then sets its opacity to less than 1. This can cause the page to emit a kind of "static hiss" or noise, similar to a low volume version of what an old-fashioned television used to make when it was left on without a signal. The reason this noise happens is due to how CSS gradients work. When you set an opacity lower than 1, the browser automatically generates "random noise" pixels that it uses to fill in the background of the page. When these noise pixels are generated, it causes a low-level hissing noise coming from your computer's speakers. This bug has been around since at least 2015, and it still persists in many modern browsers. It is particularly common in browsers like Safari and Edge, where the noise is more noticeable. Thankfully, there is a simple fix: all you have to do is set the opacity of your CSS gradient to 1. This will stop the noise from occurring and allow you to use the CSS gradient without any problems. So the next time you hear a low level hissing sound coming from your computer, don't panic – it just might be an innocuous CSS gradient bug!

BY: Balmiki Mandal

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