<?xml version="1.0" standalone="no"?>

<svg width="8cm" height="8cm" viewBox="0 0 400 400"

    xmlns="http://www.w3.org/2000/svg"

    xmlns:xlink="http://www.w3.org/1999/xlink/"

    baseProfile="tiny" version="1.2">

  <title>Spheres</title>

  <desc>Gradient filled spheres with different colors.</desc>

    <defs>

      <!-- Create radial gradients for each circle to make them look like

           spheres. -->

      <radialGradient id="blueSphere" gradientUnits="userSpaceOnUse"

                      cx="0" cy="0" r="100" fx="-50" fy="-50">

        <stop offset="0%" stop-color="white" />

        <stop offset="75%" stop-color="blue" />

        <stop offset="100%" stop-color="#222244" />

      </radialGradient>

      <radialGradient id="redSphere" gradientUnits="userSpaceOnUse"

                      cx="0" cy="0" r="100" fx="-50" fy="-50">

        <stop offset="0%" stop-color="white" />

        <stop offset="75%" stop-color="red" />

        <stop offset="100%" stop-color="#442222" />

      </radialGradient>

      <radialGradient id="greenSphere" gradientUnits="userSpaceOnUse"

                      cx="0" cy="0" r="100" fx="-50" fy="-50">

        <stop offset="0%" stop-color="white" />

        <stop offset="75%" stop-color="green" />

        <stop offset="100%" stop-color="#113311" />

      </radialGradient>

      <radialGradient id="yellowSphere" gradientUnits="userSpaceOnUse"

                      cx="0" cy="0" r="100" fx="-50" fy="-50">

        <stop offset="0%" stop-color="white" />

        <stop offset="75%" stop-color="yellow" />

        <stop offset="100%" stop-color="#444422" />

      </radialGradient>

      <radialGradient id="shadowGrad" gradientUnits="userSpaceOnUse"

                      cx="0" cy="0" r="100" fx="-50" fy="50">

        <stop offset="0%" stop-color="black" stop-opacity="1.0" />

        <stop offset="100%" stop-color="white" stop-opacity="0.0" />

      </radialGradient>

      <!-- Define a shadow for each sphere. -->

      <circle id="shadow" fill="url(#shadowGrad)" cx="0" cy="0" r="100" />

    </defs>

  <g fill="#ffee99" stroke="none" >

    <rect x="0" y="0" width="400" height="400" />

  </g>

  <g fill="white" stroke="none" >

    <rect x="0" y="175" width="400" height="225" />

  </g>

  <g transform="translate(200,175)">

    <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />

    <circle fill="url(#blueSphere)" cx="0" cy="0" r="100" />

  </g>

  <g transform="translate(315,240)">

    <g transform="scale(0.5,0.5)">

      <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />

      <circle fill="url(#redSphere)" cx="0" cy="0" r="100" />

    </g>

  </g>

  <g transform="translate(80,275)">

    <g transform="scale(0.65,0.65)">

      <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />

      <circle fill="url(#greenSphere)" cx="0" cy="0" r="100" />

    </g>

  </g>

  <g transform="translate(255,325)">

    <g transform="scale(0.3,0.3)">

      <use xlink:href="#shadow" transform="translate(25,55) scale(1.0,0.5)" />

      <circle fill="url(#yellowSphere)" cx="0" cy="0" r="100" />

    </g>

  </g>

</svg>