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Balance Wheel Escapement
An open watch movement: the balance wheel swings through 270 degrees while its hairspring breathes, and each center crossing flicks the pallet fork and steps the escape wheel one tooth.
Also known as: watch movement animation css, escapement loader, mechanical heartbeat animation, clockwork gear loader.
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Customizing this loader
- Color: set
--ldr-coloron the element or a parent. Currently previewing#3b82f6. - Size: set
--ldr-size. Every dimension in the snippet is derived from it. Currently previewing64px. - Speed: change the duration on the
animationshorthand. Delays on the children are relative, so they keep their rhythm. - Accessibility: the root carries
role="status"and anaria-labelso screen readers announce the wait. The reduced-motion rule at the end slows the animation for users who asked for less motion.