diff --git a/lib/clayoven/transforms.rb b/lib/clayoven/transforms.rb
index 840dddf..ff3aec8 100644
--- a/lib/clayoven/transforms.rb
+++ b/lib/clayoven/transforms.rb
@@ -88,7 +88,6 @@ module Clayoven::Claytext::Transforms
         formatter = Rouge::Formatters::HTML.new()
         lexer = (Util::ROUGE_LEXERS[fc.captures[0]]).new()
         p.replace (formatter.format(lexer.lex p))
-        p.prop = Rouge::Themes::Base16::Solarized.mode(:light).render()
       end
     end,
     # Images and notebooks of images: << [dims] ... >>
diff --git a/lib/clayoven/util.rb b/lib/clayoven/util.rb
index 2107f10..e5a0874 100644
--- a/lib/clayoven/util.rb
+++ b/lib/clayoven/util.rb
@@ -56,7 +56,9 @@ module Clayoven::Claytext::Transforms::Util
     "hs" => Rouge::Lexers::Haskell,
     "rs" => Rouge::Lexers::Rust,
     "coq" => Rouge::Lexers::Coq,
-    "cpp" => Rouge::Lexers::Cpp
+    "cpp" => Rouge::Lexers::Cpp,
+    "c" => Rouge::Lexers::C,
+    "llvm" => Rouge::Lexers::LLVM
   }.freeze
 
   # Do a roman to arabic conversion