<!DOCTYPE html> <html> <head> <title>raytracing</title> <script src="main.js" type="module" defer></script> <style> body { padding: 0; margin: 0; overflow: hidden; } #frame_time { position: absolute; color: white; background: rgba(0, 0, 0, 0.5); user-select: none; font-family: monospace; padding: 5px; } </style> </head> <body> <div id="frame_time"></div> <canvas id="canvas"> </body> </html>