JSFiddle - React, Tailwind, and code Playground
HTML
<svg xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink" width="300px" height="300px">
<g transform="translate(100, 100)">
<circle r="20" class="circle">
<animateTransform attributeName="transform" type="scale" additive="sum" from="0 0" to="4 4" begin="0s" dur="2s" repeatCount="indefinite"></animateTransform>
<animate attributeType="XML" attributeName="opacity" from="1" to="0" dur="2s" repeatCount="indefinite" />
</circle>
</g>
</svg>
CSS
body{
background-color: #200C31;
}
.circle {
stroke: #90B0C6;
stroke-width: 2px;
fill: transparent;
}