docs/bridge/static/brand-assets/synapse-border-mark.svg
<svg width="108" height="108" fill="url(#synGrad)" viewBox="-40 -40 80 80" xmlns="http://www.w3.org/2000/svg">
<defs>
<linearGradient id="synGrad" fx="0%">
<stop offset="0%" stop-color="hsl(285deg 100% 65%)" />
<stop offset="100%" stop-color="hsl(265deg 100% 75%)" />
</linearGradient>
<linearGradient id="synBorder" gradientTransform="rotate(45)">
<stop offset="0%" stop-color="hsl(300deg 100% 50%)" />
<stop offset="100%" stop-color="hsl(256deg 87% 61%)" />
</linearGradient>
<mask id="synMask">
<rect x="-50%" y="-50%" width="100%" height="100%" fill="white" />
<circle r="36" fill="black" />
</mask>
</defs>
<rect x="-50%" y="-50%" width="100%" height="100%" fill="url(#synBorder)" mask="url(#synMask)" />
<path d="M0 18 18 0 H-18 L0 -18" stroke="url(#synGrad)" stroke-width="5.5" stroke-linejoin="bevel" opacity=".5" fill="none" />
<circle cy="18" r="6" />
<circle cx="18" r="6" />
<circle cx="-18" r="6" />
<circle cy="-18" r="6" />
</svg>