内容-icon
[https://scrapbox.io/api/pages/suto3/内容-icon/icon#.svg] 
c.svg<svg width="200" height="100" viewBox="0 0 200 100" xmlns="http://www.w3.org/2000/svg">
<rect x="5" y="5" width="190" height="90" rx="45" ry="45"
fill="gray" fill-opacity="1" stroke="gray" stroke-width="4" />
<text x="50" y="70" font-size="50" stroke-width="0" stroke="white" fill="white"
font-weight="800" letter-spacing="-1" word-spacing="-1" >
内容
</text>
</svg>