How Can Subtle Background Darkening be Achieved with CSS in a More Efficient Way?

Subtle Background Darkening: A CSS Dilemma

When customizing button styles using CSS, it's common to want to alter the background color upon hover for emphasis. Manually specifying a darker shade can be tedious. Here's a more efficient solution:

Leveraging Background-Image for Layering

Instead of directly adjusting the background-color property, create a subtle layer on top of the button using background-image. This technique maintains text visibility while subtly modifying the background.

Code Example:

.button {
  display: inline-block;
  color: #fff;
  padding: 10px 20px;
  font-size: 20px;
  background-color: red;
}

.button:hover {
  background-image: linear-gradient(rgb(0 0 0/40%) 0 0);
}

In this example, a linear gradient with a 40% opacity is applied to the hovered element. Customize the gradient color and opacity to achieve the desired darkening effect.

This method provides flexibility, allowing you to darken any background color without specifying specific hex values. Moreover, it ensures that text color remains unchanged, providing a consistent user experience.

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