<svg 
  viewBox="0 0 200 200"
  xmlns='http://www.w3.org/2000/svg'>

  <filter id='noiseFilter'>
    <feTurbulence 
      type='fractalNoise' 
      baseFrequency='0.65' 
      numOctaves='3' 
      stitchTiles='stitch' />
  </filter>

  <rect
    width='100%' 
    height='100%' 
    filter='url(#noiseFilter)' />
</svg>
body {
  margin: 0;
  padding: 0;
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  background-color: black;
}

svg {
  width: 200px;
  height: 200px;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.