1× · 4.2 s
Envelope
CSSTwo concentric rectangular frames with dimension line callouts that slowly expand outward before resetting at their boundary.
The Free licence asks for one visible credit per page: Animation by Pulsar, linked to Pulsar. The credit line is that link, ready to paste. The snippet itself carries attribution in a comment and in the SVG’s metadata, and never links anywhere on click. Licence
- Tier
- CSS
- Dependencies
- None
- Duration
- 4.2 s, loops
- Categories
- Backgrounds and ambient
- Use cases
- Security and trust, Ambient background
- Industries
- SaaS and software, Security and identity
- Style
- Technical · light stroke
- Set
- perimeter
- Tags
- geometricscaleambientminimalstroke
Companion assets
The same artwork, not animated. Derived from the entry’s own resting state, so it matches exactly.
