ultra-white-button

Show "whiter than white color" for certain browsers using only CSS hack (without HDR video elements).

#whiter {
  color: white;
  filter: brightness(1.5);
  will-change: filter;
}

• demos
  • ultra-white-button
  • simple-demo
• browser support
  • my iPhone's Safari and Chrome
    • (whiter color doesn't appear on my MacBook)