Remove quotes around font-family. Fix #200 #198

pygal/css/base.css

@@ -23,32 +23,32 @@
  */
 
 {{ id }}.title {
-  font-family: "{{ style.font_family }}";
+  font-family: {{ style.font_family }};
   font-size: {{ font_sizes.title }};
 }
 
 {{ id }}.legends .legend text {
-  font-family: "{{ style.font_family }}";
+  font-family: {{ style.font_family }};
   font-size: {{ font_sizes.legend }};
 }
 
 {{ id }}.axis text {
-  font-family: "{{ style.font_family }}";
+  font-family: {{ style.font_family }};
   font-size: {{ font_sizes.label }};
 }
 
 {{ id }}.axis text.major {
-  font-family: "{{ style.font_family }}";
+  font-family: {{ style.font_family }};
   font-size: {{ font_sizes.major_label }};
 }
 
 {{ id }}.series text {
-  font-family: "{{ style.font_family }}";
+  font-family: {{ style.font_family }};
   font-size: {{ font_sizes.value }};
 }
 
 {{ id }}.tooltip text {
-  font-family: "{{ style.font_family }}";
+  font-family: {{ style.font_family }};
   font-size: {{ font_sizes.tooltip }};
 }