_scss: only disable text-selection in "console" code blocks

We don't want users to copy the prompt and process output in
"console" blocks, but for other code blocks (bash scripts, yaml)
copying comments should not be disabled.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

_scss/_perldoc.scss

@@ -21,9 +21,9 @@
 // Prevent selecting comments, command-output and command-prompt in shell
 // examples that use the "console" lexer/highlighter to allow easier copying.
 // See https://github.com/rouge-ruby/rouge/issues/1023
-.highlight .c,
-.highlight .go,
-.highlight .gp
+.language-console .highlight .c,
+.language-console .highlight .go,
+.language-console .highlight .gp
 {
   -webkit-user-select: none;
      -moz-user-select: none;
@@ -34,7 +34,7 @@
 // Show a "text" cursor for the prompt. Even though the prompt itself is not
 // selectable, make it appear as if it is, so that users don't get confused
 // when they try to select an example for copying.
-.highlight .gp {
+.language-console .highlight .gp {
   cursor: text;
 }