Why Aren\'t My CSS Transitions Working with CSS Grid Layout?

Using CSS Transitions in CSS Grid Layout

Issue:

In an implementation of a sticky header using CSS Grid Layout, a user struggles to achieve a smooth transition effect as the header shrinks when scrolling down. Despite adding CSS transitions to the .wrapper class, the animation doesn't occur.

Analysis:

According to the CSS Grid Layout specification, transitions should work on grid-template-columns and grid-template-rows properties. However, in the provided example, the transitions are not applied.

Solution:

As of now, CSS transitions on grid properties are only supported in Firefox. To enable the desired animation效果, the layout must be modified to use a supported method. One alternative is to use Flexbox instead of Grid.

Here's an updated code snippet demonstrating the fix:

.wrapper {
  display: flex;
  height: 100vh;
  transition: all 0.5s;
}

.wrapper.tiny {
  height: 50vh;
}

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