Fuck you Firefox for relying on fontconfig substitutions

firefox-fallback-font.css

/* PostScript fonts */
@font-face {
	font-family: 'Helvetica';
	src: local('sans-serif');
}

@font-face {
	font-family: 'Helvetica Narrow';
	src: local('sans-serif');
}

@font-face {
	font-family: 'Times';
	src: local('serif');
}

@font-face {
	font-family: 'Courier';
	src: local('monospace');
}

@font-face {
	font-family: 'ITC Avant Garde Gothic';
	src: local('sans-serif');
}

@font-face {
	font-family: 'ITC Bookman';
	src: local('cursive');
}

@font-face {
	font-family: 'Palatino';
	src: local('serif');
}

@font-face {
	font-family: 'New Century Schoolbook';
	src: local('serif');
}


/* Microsoft fonts */
@font-face {
	font-family: 'Arial';
	src: local('sans-serif');
}

@font-face {
	font-family: 'Arial Narrow';
	src: local('sans-serif');
}

@font-face {
	font-family: 'Times New Roman';
	src: local('serif');
}

@font-face {
	font-family: 'Courier';
	src: local('monospace');
}

@font-face {
	font-family: 'Courier New';
	src: local('monospace');
}

@font-face {
	font-family: 'Cambria';
	src: local('serif');
}

@font-face {
	font-family: 'Calibri';
	src: local('sans-serif');
}

@font-face {
	font-family: 'Symbol';
	src: local('math');
}

@font-face {
	font-family: 'Georgia';
	src: local('serif');
}

@font-face {
	font-family: 'Consolas';
	src: local('monospace');
}


/* Other fonts */

@font-face {
	font-family: 'Liberation Sans';
	src: local('sans-serif');
}

@font-face {
	font-family: 'Liberation Sans Narrow';
	src: local('sans-serif');
}

@font-face {
	font-family: 'Liberation Serif';
	src: local('serif');
}

@font-face {
	font-family: 'Liberation Mono';
	src: local('monospace');
}