fix bc style breaks from rouge 3.x

config.rb

@@ -23,6 +23,7 @@
 # Activate the syntax highlighter
 activate :syntax
 ready do
+  require './lib/monokai_sublime_slate.rb'
   require './lib/multilang.rb'
 end
 

lib/monokai_sublime_slate.rb

@@ -0,0 +1,95 @@
+# -*- coding: utf-8 -*- #
+# frozen_string_literal: true
+
+# this is based on https://github.com/rouge-ruby/rouge/blob/master/lib/rouge/themes/monokai_sublime.rb
+# but without the added background, and changed styling for JSON keys to be soft_yellow instead of white
+
+module Rouge
+    module Themes
+      class MonokaiSublimeSlate < CSSTheme
+        name 'monokai.sublime.slate'
+
+        palette :black          => '#000000'
+        palette :bright_green   => '#a6e22e'
+        palette :bright_pink    => '#f92672'
+        palette :carmine        => '#960050'
+        palette :dark           => '#49483e'
+        palette :dark_grey      => '#888888'
+        palette :dark_red       => '#aa0000'
+        palette :dimgrey        => '#75715e'
+        palette :emperor        => '#555555'
+        palette :grey           => '#999999'
+        palette :light_grey     => '#aaaaaa'
+        palette :light_violet   => '#ae81ff'
+        palette :soft_cyan      => '#66d9ef'
+        palette :soft_yellow    => '#e6db74'
+        palette :very_dark      => '#1e0010'
+        palette :whitish        => '#f8f8f2'
+        palette :orange         => '#f6aa11'
+        palette :white          => '#ffffff'
+
+        style Generic::Heading,                 :fg => :grey
+        style Literal::String::Regex,           :fg => :orange
+        style Generic::Output,                  :fg => :dark_grey
+        style Generic::Prompt,                  :fg => :emperor
+        style Generic::Strong,                  :bold => false
+        style Generic::Subheading,              :fg => :light_grey
+        style Name::Builtin,                    :fg => :orange
+        style Comment::Multiline,
+              Comment::Preproc,
+              Comment::Single,
+              Comment::Special,
+              Comment,                          :fg => :dimgrey
+        style Error,
+              Generic::Error,
+              Generic::Traceback,               :fg => :carmine
+        style Generic::Deleted,
+              Generic::Inserted,
+              Generic::Emph,                    :fg => :dark
+        style Keyword::Constant,
+              Keyword::Declaration,
+              Keyword::Reserved,
+              Name::Constant,
+              Keyword::Type,                    :fg => :soft_cyan
+        style Literal::Number::Float,
+              Literal::Number::Hex,
+              Literal::Number::Integer::Long,
+              Literal::Number::Integer,
+              Literal::Number::Oct,
+              Literal::Number,
+              Literal::String::Char,
+              Literal::String::Escape,
+              Literal::String::Symbol,          :fg => :light_violet
+        style Literal::String::Doc,
+              Literal::String::Double,
+              Literal::String::Backtick,
+              Literal::String::Heredoc,
+              Literal::String::Interpol,
+              Literal::String::Other,
+              Literal::String::Single,
+              Literal::String,                  :fg => :soft_yellow
+        style Name::Attribute,
+              Name::Class,
+              Name::Decorator,
+              Name::Exception,
+              Name::Function,                   :fg => :bright_green
+        style Name::Variable::Class,
+              Name::Namespace,
+              Name::Entity,
+              Name::Builtin::Pseudo,
+              Name::Variable::Global,
+              Name::Variable::Instance,
+              Name::Variable,
+              Text::Whitespace,
+              Text,
+              Name,                             :fg => :white
+        style Name::Label,                      :fg => :bright_pink
+        style Operator::Word,
+              Name::Tag,
+              Keyword,
+              Keyword::Namespace,
+              Keyword::Pseudo,
+              Operator,                         :fg => :bright_pink
+      end
+    end
+  end

source/layouts/layout.erb

@@ -32,7 +32,7 @@ under the License.
     <title><%= current_page.data.title || "API Documentation" %></title>
 
     <style>
-      <%= Rouge::Themes::MonokaiSublime.render(:scope => '.highlight') %>
+      <%= Rouge::Themes::MonokaiSublimeSlate.render(:scope => '.highlight') %>
     </style>
     <%= stylesheet_link_tag :screen, media: :screen %>
     <%= stylesheet_link_tag :print, media: :print %>

source/stylesheets/screen.css.scss

@@ -511,6 +511,10 @@ html, body {
 // This is all the stuff that appears in the right half of the page
 
 .content {
+  &>div.highlight {
+    clear:none;
+  }
+
   pre, blockquote {
     background-color: $code-bg;
     color: #fff;