title: Why did the contents of my SVG image disappear? And how can I center it and get it to fit the contents of the box?
body: <p><a href="https://codepen.io/kscarabello/pen/eVMOqw" rel="nofollow noreferrer">The codepen I'm working on...</a></p>
  
  <p>Hello everyone,</p>
  
  <p>I am a newb struggling with SVG. Inside the codepen, I have a cute svg image that seems to have disappeared. For the life of me, I don't understand how or why they just disappeared. I just wanted the svg image to display in the center of the page but the contents have disappeared. What am I doing wrong?</p>
  
  <p>I'm just going to include the parts where I declare the viewBox and the CSS to keep it short.</p>
  
  <pre><code>&lt;html&gt;
  
  &lt;svg viewBox="0 0 100 100" width="300" height="300" xmlns="http://www.w3.org/2000/svg" xmlns:svg="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"&gt;
   &lt;!-- Created with SVG-edit - http://svg-edit.googlecode.com/ --&gt;
   &lt;defs&gt;
  
    &lt;symbol viewBox="0 0 100 100" height="500" width="500" y="50" x="50" id="svg_2" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns="http://www.w3.org/2000/svg"&gt;
     &lt;path id="why" d="m351.08,636.241c-0.977,-0.314 -1.948,-0.646 -2.931,-0.941c-2.603,-0.782 -4.111,-2.604 -4.965,-5.098c-1.183,-3.452 -1.111,-6.846 0.056,-10.319c2.49,-7.41 6.638,-13.855 11.249,-20.071c4.029,-5.433 8.56,-10.356 14.081,-14.293c1.684,-1.2 3.56,-2.126 5.306,-3.241c0.408,-0.262 0.858,-0.749 0.936,-1.194c1.071,-6.17 2.085,-12.35 3.101,-18.529c0.054,-0.33 0.007,-0.677 0.007,-1.335c-1.389,1.895 -2.548,3.602 -3.84,5.201c-1.123,1.393 -2.32,2.746 -3.622,3.971c-1.898,1.786 -4.227,2.077 -6.716,1.58c-2.703,-0.541 -5.174,-1.637 -7.418,-3.198c-0.933,-0.649 -1.69,-1.551 -2.481,-2.295c-1.225,1.773 -2.445,3.724 -3.852,5.528c-1.594,2.048 -3.559,3.659 -6.178,4.298c-3.835,0.937 -8.463,-2.148 -9.296,-6.01c-0.922,-4.269 -0.559,-8.513 -0.083,-12.76c0.447,-3.993 1.048,-7.97 1.581,-11.954c-0.111,-0.138 -0.222,-0.275 -0.333,-0.414c-0.244,0.444 -0.436,0.931 -0.741,1.327c-7.101,9.197 -13.074,19 -16.362,30.26c-0.392,1.338 -1.151,1.779 -2.545,1.524c-0.739,-0.136 -1.484,-0.343 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9.472,-29.328c1.019,-3.359 1.256,-6.963 1.749,-10.468c0.108,-0.765 -0.215,-1.59 -0.377,-2.616z" fill="#1E6C81" clip-rule="evenodd" fill-rule="evenodd"/&gt;
  </code></pre>
  
  <p>and the CSS...</p>
  
  <pre><code>html {
    display: flex;
    justify-content: center;
    align-items: center;
    background:linear-gradient(pink, mediumpurple);
    width: 100vw;
    height: 100vh;
  }
  
  
  svg{
      height: 75vh;
      width: 25vw;
      border: 5px solid black; 
  
  }
  </code></pre>