Can not use code macro that have break line in table

I want to create a table which contains a code macro like sample below but it doesn't work:

|=CSS Classes 1|=Example of use
|{{code language="css"}}
.RCTitle{
  text-elign:left;
}
{{/code}}|Word 2

Please improve for user can use the code macro (and all other macros that contains break line) in table