<!DOCTYPE html> <html> <head> <meta charset="utf8"> <title>Starfield demo</title> <script src="stars.js"></script> <style> body, html{ margin: 0; padding: 0; background-color: #000; min-height: 100vh; min-width: 100%; } *{ box-sizing: border-box; } .canvas-container{ width: 100%; height: 100%; position: absolute; top: 0; left: 0; margin: 0; padding: 0; overflow: hidden; } #stars{ position: absolute; margin: 0; padding: 0; bottom: 0; } </style> <script> window.addEventListener("load", function(){ warpLaunch(); }); </script> </head> <body> <div class="canvas-container"> <canvas id="stars"></canvas> </div> </body> </html>