Fix theming and fix theme switcher bug (#14)

* Fix theming and fix theme switcher bug

* Fix css comment and remove old js

exampleSite/content/posts/first_post.md

@@ -15,10 +15,15 @@ Yo yo yo
 - a
 - list
 
+1. This 
+2. is 
+3. a 
+4. numbered 
+5. list
+
 ```py
 Codeblocks look like this
 
 def print():
     print('Hello world!')
-
 ```

exampleSite/content/posts/second_post.md

@@ -20,5 +20,4 @@ Codeblocks look like this
 
 def print():
     print('Hello world!')
-
 ```

exampleSite/content/posts/third_post.md

@@ -20,5 +20,4 @@ Codeblocks look like this
 
 def print():
     print('Hello world!')
-
 ```