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How to Animate CSS Display and Opacity Changes Simultaneously?

Barbara Streisand
Barbara StreisandOriginal
2024-11-03 22:03:30210browse

How to Animate CSS Display and Opacity Changes Simultaneously?

Transitioning CSS Display and Opacity Properties

When attempting to animate CSS elements using both display and opacity properties, it can be challenging. The standard CSS transition property only allows animation of numerical values, making it incompatible with display changes.

However, a solution lies in leveraging CSS Keyframes animation. By creating a custom keyframe animation, we can choreograph the transition of both display and opacity properties simultaneously.

The provided CSS code introduces a keyframe animation named "fadeInFromNone". It begins by setting the display to none and opacity to 0, effectively hiding the element. At 1% of the animation, the display is set to block, making the element visible, while the opacity remains at 0. This creates the appearance of an element fading in from transparency. The animation concludes at 100%, with the element fully visible and opaque.

To use this animation, apply it to the hover state of the parent element. Here's the updated code:

<code class="css">.parent:hover .child
{
    display: block;

    -webkit-animation: fadeInFromNone 0.5s ease-out;
    -moz-animation: fadeInFromNone 0.5s ease-out;
    -o-animation: fadeInFromNone 0.5s ease-out;
    animation: fadeInFromNone 0.5s ease-out;
}</code>

This solution enables you to seamlessly transition both display and opacity properties, achieving the desired animation effect.

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