<?xml version="1.0"?>
<svg width="7cm" height="2cm" viewBox="0 0 700 200"
     xmlns="http://www.w3.org/2000/svg" version="1.2" baseProfile="tiny">
  <desc>Gradients apply to leaf nodes
  </desc>
  <g>
    <defs>
      <linearGradient xml:id="MyGradient" gradientUnits="objectBoundingBox">
        <stop offset="0" stop-color="#F60" />
        <stop offset="1" stop-color="#FF6" />
      </linearGradient>
    </defs>
    <rect x="1" y="1" width="698" height="198"
          fill="none" stroke="blue" stroke-width="2" />
    <g fill="url(#MyGradient)" >
      <rect x="100" y="50" width="200" height="100"/>
      <rect x="400" y="50" width="200" height="100"/>
   </g>
  </g>
</svg>