e">
  <link rel="stylesheet" href="demo.css"/>
  <script src="../src/test/js/show-demo-source.js"></script>

  <script src="../dist/shader-web-background.min.js"></script>

  <script type="x-shader/x-fragment" id="Image">
    precision highp float;

    uniform vec2  iResolution;
    uniform float iTime;

    // -- Paste your Shadertoy code here:

    void mainImage( out vec4 fragColor, in vec2 fragCoord )
    {
      // Normalized pixel coordinates (from 0 to 1)
      vec2 uv = fragCoord/iResolution.xy;

 