anti-pattern-icon
[https://scrapbox.io/api/pages/suto3/anti-pattern-icon/icon#.svg] 
a.svg<svg width="250" height="100" viewBox="0 0 250 100" xmlns="http://www.w3.org/2000/svg">
<g>
<rect x="5" y="5" width="240" height="90" rx="15" ry="15"
fill-opacity="0" stroke="white" stroke-width="3" />
<rect x="8" y="8" width="234" height="84" rx="10" ry="10"
fill-opacity="0" stroke="gray" stroke-width="3" />
<text x="30" y="65" font-size="35" stroke="white" stroke-width="2" fill="gray"
font-weight="900" letter-spacing="-3" word-spacing="-3" >
Anti-pattern
</text>
</g>
</svg>