<svg width="100%" height="100%" viewBox="0 0 800 800"
    xmlns="http://www.w3.org/2000/svg"
    xmlns:xlink="http://www.w3.org/1999/xlink">
    
  <desc><![CDATA[
    Template for Drawing on a 800 by 800 Grid
    
    Jay Nick
    steamcoded.org
  ]]>
  </desc>

  <g style="display:initial">
    <path id="p1" d="M0,400L800,400" style="fill:none;stroke:royalblue;stroke-dasharray:0.2,9.6,0.2,0;stroke-width:800px;"/>
    <path id="p2" d="M400,0L400,800" style="fill:none;stroke:royalblue;stroke-dasharray:0.2,9.6,0.2,0;stroke-width:800px;"/>
    <path id="p3" d="M0,400L800,400" style="fill:none;stroke:royalblue;stroke-dasharray:0.5,99,0.5,0;stroke-width:800px;"/>
    <path id="p4" d="M400,0L400,800" style="fill:none;stroke:royalblue;stroke-dasharray:0.5,99,0.5,0;stroke-width:800;px"/>
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  <g style="opacity:0.5;">
    <!-- insert SVG elements here -->
  
  </g>
   
</svg>