How to make the pattern float up and down in css

In CSS, you can use the animation attribute and @keyframes rule to set up and down floating animation effects for the img picture element to make the pattern float up and down; the speed of the animation can be adjusted by the height of the element and the number of seconds in the animation.

The operating environment of this tutorial: Windows 7 system, HTML5&&CSS3 version, Dell G3 computer.

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css3 implements a floating animation effect (animation)

CSS

@keyframes movepoint { 25% { top: 16px } 100%, { top: 50px } } .shade-button-point { display: inline-block; position: absolute; top: 50px; left: 30%; animation: movepoint 2s infinite; -webkit-animation: movepoint 2s infinite; }

HTML

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Rendering:

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