If you can see the visual effects below, they are working correctly in your browser.
Each effect should be clearly visible and animated.
You should see horizontal lines moving slowly downward.
This simulates old CRT monitor scanlines.
You should see fine horizontal lines and darkened edges.
This creates a curved CRT monitor appearance.
You should see a green grid pattern overlay.
This creates a retro computer grid aesthetic.
You should see pulsing dot patterns.
This simulates old dot-matrix displays.
You should see text glow and a scanning line.
This recreates classic terminal aesthetics.
This box has no special effects for comparison.
Yellow border indicates no retro effects.
To test a specific theme, open its example.html file directly:
e.g., phosphor_stream/example.html
The effects should now be clearly visible in Firefox and other modern browsers.