This is how it’s done for images, how is it done for SVG’s?
background-repeat: repeat;
<svg width="170" height="170" viewBox="0 0 170 170">
<rect x="0" y="0" width="204" height="204" fill="red" />
<rect x="5" y="5" width="160" height="160" fill="black" />
<rect x="10" y="10" width="150" height="150" fill="green" />
<rect x="15" y="15" width="140" height="140" fill="red" />
<rect x="20" y="20" width="130" height="130" fill="black" />
<rect x="25" y="25" width="120" height="120" fill="blue" />
<rect x="30" y="30" width="110" height="110" fill="orange" />
<rect x="35" y="35" width="100" height="100" fill="black" />
<rect x="40" y="40" width="90" height="90" fill="yellow" />
<rect x="45" y="45" width="80" height="80" fill="pink" />
<rect x="50" y="50" width="70" height="70" fill="#1155cc" />
<rect x="55" y="55" width="60" height="60" fill="teal" />
<rect x="60" y="60" width="50" height="50" fill="purple" />
<rect x="65" y="65" width="40" height="40" fill="red" />
<rect x="70" y="70" width="30" height="30" fill="orange" />
<rect x="75" y="75" width="20" height="20" fill="black" />
<rect x="80" y="80" width="10" height="10" fill="#38761d" />
</svg>