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Fold Into Envelope
A letter tri-folds in 3D, bottom third up and top third down with shading on each face, an envelope rises around it and its flap closes and seals, then the envelope flies off up and right.
Also known as: letter fold animation css, envelope animation css, send message animation, tri fold letter css.
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Customizing this snippet
- Color: set
--kfa-coloron the element or a parent. Currently previewing#3b82f6. - Base size: set
--kfa-size. Every other dimension is inem, so the whole thing scales together. Currently previewing16px. - Speed: change the duration on the
transitionoranimationshorthand. Staggered delays are relative, so they keep their rhythm. - Reduced motion: the rule at the end of the CSS turns the motion off for people who asked their OS for less of it. Keep it.