How to Highlight Active Menu Items While Dimming Inactive Ones with CSS?

How to Highlight Active Menu Items and Dim Non-Active Ones

In this code snippet, we encounter a scenario where we want to dim the opacity of all menu items (

elements) when the parent menu (

) is hovered. However, the hovered menu item itself should remain at full opacity.

CSS Solution

To achieve this effect, we utilize CSS to dynamically adjust the opacity of the menu items:

ul:hover li {
  opacity: 0.5;
}
ul li:hover {
  opacity: 1;
}

Explanation:

• The first rule (ul:hover li) applies an opacity of 0.5 to all
• elements when their parent
  is hovered. This dims the menu items that are not currently being hovered over.
• The second rule (ul li:hover) resets the opacity to 1 for the
• element that is actually being hovered over. This ensures that the current menu item remains at full visibility.

Example

Consider the following HTML and CSS code:

• Item 1
• Item 2
• Item 3

When you hover over the

element, all
• elements except the one you're hovering over will become 50% transparent, while the hovered
• element will remain at full opacity. This creates a subtle highlight effect, guiding users to the active menu item.

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