<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="utf-8"/>
    <meta content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no,shrink-to-fit=no" name="viewport"/>
    <meta content="IE=edge" http-equiv="X-UA-Compatible"/>
    <title>WebGL Preprocessing</title>
    <link rel="icon" type="image/png" href="data:image/png;base64,iVBORw0KGgo=">
    <style>
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        