use tag with svg code example
Example: style tag svg
<svg width="100%" height="100%" viewBox="0 0 100 100"
xmlns="http://www.w3.org/2000/svg">
<style>
/* <![CDATA[ */
circle:hover {
fill: orange;
stroke: black;
stroke-width: 10px; // Note that the value of a pixel depend on the viewBox
}
/* ]]> */
</style>
<circle cx="50" cy="50" r="40" />
</svg>