Improve A tag

Author: blocknotes

lib/prawn_html/tags/a.rb

@@ -5,12 +5,13 @@ module Tags
     class A < Tag
       ELEMENTS = [:a].freeze
 
-      def tag_styles
-        return unless attrs.href
+      def extra_styles
+        attrs.href ? "href: #{attrs.href}" : nil
+      end
 
+      def tag_styles
         <<~STYLES
           color: #00E;
-          href: #{attrs.href};
           text-decoration: underline;
         STYLES
       end

spec/units/prawn_html/tags/a_spec.rb

@@ -11,7 +11,7 @@
     end
 
     it "styles doesn't include the link property" do
-      expect(a.styles).to eq(color: 'ffbb11')
+      expect(a.styles).to eq(color: 'ffbb11', styles: [:underline])
     end
   end