html,body,svg { height:100% }

by jonahe

HTML

<!-- Learn about this code on MDN: https://developer.mozilla.org/en-US/docs/Web/SVG/Element/text -->

<svg viewBox="0 0 440 80" xmlns="http://www.w3.org/2000/svg">
  <style>
  </style>

  <text x="20" y="35" class="small">My egagsasfrhrhs shs hsrhhshsh . shreh ra g</text>
  <text x="40" y="35" class="heavy">cat</text>
  <text x="55" y="55" class="small">is</text>
  <text x="65" y="55" class="Rrrrr">Grumpy!</text>
</svg>

CSS

html,body,svg { height:100% }