Why Does My CSS Transition Only Ease In, Not Out?

CSS Transitions: Easing In and Easing Out

When designing dynamic web elements, transitions play a vital role in enhancing user experience. However, sometimes issues arise that hinder the desired transition effect. One common problem encountered is when an element's transition only eases in but doesn't ease out.

Easing In and Out:

CSS transitions allow for the smooth animation of changes to an element's CSS properties. The transition property typically includes the ease-in-out option, which indicates that the animation should start slowly and gradually accelerate and decelerate as it progresses. However, if only the ease-in keyword is applied, the animation will only decelerate when starting, resulting in an abrupt transition when ending.

Solution:

To correct this issue and ensure that the transition also eases out, the transition property needs to be applied to the element itself instead of the :hover pseudo-class. By doing so, the transition will occur when the element is hovered over and when the mouse is removed, providing a smooth animation in both directions.

Revised Code:

<code class="css">.img-blur {
  transition: all 0.35s ease-in-out;
}
.img-blur:hover {
  -moz-filter: blur(4px);
  -webkit-filter: blur(4px);
  filter: blur(4px);
}</code>

Additional Functionality:

Furthermore, it is possible to display text when the mouse hovers over an element using CSS alone. This technique relies on the content property and pseudo-elements to create the desired effect. However, it's important to note that support for this feature may vary across different browsers.

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