<svg width="200" height="200" viewBox="0 0 50 50" xmlns="http://www.w3.org/2000/svg">
<circle cx="25" cy="25" r="20" fill="blue">
<set attributeName="r" to="25" begin="click" dur="500ms" />
</circle>
</svg>
This Pen doesn't use any external CSS resources.
This Pen doesn't use any external JavaScript resources.