<?xml version="1.0"?>
<!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.0//EN"
    "http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd">

<svg width="80" height="60">

<line x1="10" y1="10" x2="70" y2="55"
      style="stroke: green; stroke-width: 10; stroke-opacity: 0.25;"/>

</svg>