1 <?xml version="1.0"?>

     2 <svg xmlns="http://www.w3.org/2000/svg" version="1.2"

     3       viewport-fill="red" baseProfile="tiny">

     4       <desc>

     5       Everything here has a red background.

     6       The rectangle is not filled, so the red background will show through

     7       </desc>

     8       <rect x="20" y="20" width="100" height="100" fill="none" stroke="black"/>

     9 </svg>