Make font paths relative

If they are absolute paths, you have to pick one of http or https, which
causes issues if youre website is accessible on both.

css/fonts.css

@@ -5,5 +5,5 @@
 	font-family: 'Cardo';
 	font-style: normal;
 	font-weight: normal;
-	src: local('Cardo'), url('https://aclindsay.com/fonts/Cardo99s.ttf') format('truetype');
+	src: local('Cardo'), url('../fonts/Cardo99s.ttf') format('truetype');
 }