60+ Handcrafted CSS animations that are seamless repeatable. All animations in loading.css are designed for both one time and infinitely played. Online demo could be found here (Loading.css - 50+ Seamless Repeatable CSS Animation · Loading.io ).

Loading.css is used in building GIF, APNG and animated SVG in loading.io. Check following links to see how it works:

• GIF / SVG Animation Generator from Any Image - upload your own image and generate GIF or APNG images with transition.css and loading.css.
• Loading.io Animated Icons Library - Customizable, animatable Loading.io's icon library powered by loading.css and transition.css.
• Loading Patterns - Customizable, animatable Loading.io's pattern library powered by loading.css and transition.css.
• Animated Text Generator - convert your text into GIF / SVG animations.

You can find more about animation generation in loading.io.

1. download and include loading.css:

    <link rel="stylesheet" type="text/css" href="loading.css"/>

you an use a CDN, such as, from jsDelivr:

    <link rel="stylesheet" type="text/css" href="https://cdn.jsdelivr.net/gh/loadingio/loading.css@v2.0.0/dist/loading.min.css"/>

2. Check the loading.css animation gallery for the animations you want to use. For example, say you want to use the spin animation

3. Use the name as a CSS class prefixed with ld on the element you want to animate:

    <div class="ld ld-spin"></div>

4. For more information, check out loading.css animation documentation.

Animations involving fliping ( e.g., rotateX, rotateY, rotateZ ) cause blinking glitches in Safari ( up to version 15.1 ). It's not a loading.css bug but a browser issue which is not yet solved.

A simple workaround is to wrap animated elements within a container with following style:

transform: translate3d(0,0,0)

However this creates a stacking context and may not work well with fixed positioned elements.

MIT License