Fix code block color

rgaiacs · rgaiacs · commit 18a0af0c7b8c · 2017-06-19T14:34:50.000+01:00
diff --git a/_episodes/02-loop.md b/_episodes/02-loop.md
@@ -140,7 +140,6 @@ The general form of a loop is:
 for element in variable:
     do things with element
 ~~~
-{: .python}
 
 Using the oxygen example above, the loop might look like this:
 
