I have a Bootstrap website featuring a colored background image. I am looking to achieve a specific effect where the image begins in grayscale and slowly transitions into color as the page loads, without requiring any user interaction.
How can I accomplish this using CSS and HTML in the most effective way?
To create this effect, utilize CSS keyframe animations.
Here's an outline to follow:
@keyframes greyscale-fade-in {
0% { -webkit-filter: grayscale(100%); }
100% { -webkit-filter: grayscale(0%); }
}
.image-selector {
animation: greyscale-fade-in 1s ease-in forwards;
}
The keyframes dictate how the image should be altered as the page loads.
You need to specify which keyframes to apply (greyscale-fade-in), the duration of the animation (1s means 1 second), and the type of transition (ease-in).
By using the forwards parameter, the animation only progresses from 0% to 100% and does not reverse from 100% to 0%.
Make sure to target your image by applying the animation rule to a selector that either selects your <img> or its container <div>.
For a comprehensive guide on animations, refer to: https://developer.mozilla.org/en-US/docs/Web/CSS/animation
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