How Can I Animate a Radial Gradient Shine Effect in CSS?

Animating Radial Gradients in CSS

In CSS, creating a radial gradient shine effect on a div element can be achieved through animation.

Double Gradient Technique

To smoothly animate the white shine from left to right, use the double gradient technique. This involves doubling the size of the gradient and reducing the values of the color stops by half. This ensures the visual gradient remains unchanged while allowing for animation from left to right.

Directional Animation

Apply an animation to the gradient using @keyframes and animate the background-position property. This animates the position of the gradient, creating the illusion of movement and flowing from top to bottom.

Example Code

#shine-div {
  background: radial-gradient(farthest-corner at top, #FFFFFF 0%, #ffb3ff 4%,
                             #ff33ff 12.25%, #800080 31.25%, #b300b3 50%) top
                            right/200% 200%;
  animation: colorChange 5s infinite alternate;
}

@keyframes colorChange {
  to {
    background-position: top left;
  }
}

Demonstration

This code creates a div element with a radial gradient and animates the shine from left to right, creating the desired effect.

<div>

By utilizing these techniques, you can achieve the desired radial gradient shine effect and animate it smoothly from left to right.

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