SVG:style要素
s.svg<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg">
<style>
circle {
fill: gold;
stroke: maroon;
stroke-width: 2px;
}
</style>
<circle cx="5" cy="5" r="4" />
</svg>s.svg<svg viewBox="0 0 10 10" xmlns="http://www.w3.org/2000/svg">
<style>
circle {
fill: gold;
stroke: maroon;
stroke-width: 2px;
}
</style>
<circle cx="5" cy="5" r="4" />
</svg>