3 files changed, 9 insertions, 0 deletions
diff --git a/Userland/DevTools/HackStudio/Editor.cpp b/Userland/DevTools/HackStudio/Editor.cpp
index d93a6509b0..46ba8c8a35 100644
--- a/Userland/DevTools/HackStudio/Editor.cpp
+++ b/Userland/DevTools/HackStudio/Editor.cpp
@@ -30,6 +30,7 @@
 #include <LibJS/SyntaxHighlighter.h>
 #include <LibMarkdown/Document.h>
 #include <LibSQL/AST/SyntaxHighlighter.h>
+#include <LibWeb/CSS/SyntaxHighlighter/SyntaxHighlighter.h>
 #include <LibWeb/DOM/Text.h>
 #include <LibWeb/HTML/HTMLHeadElement.h>
 #include <LibWeb/HTML/SyntaxHighlighter/SyntaxHighlighter.h>
@@ -594,6 +595,9 @@ void Editor::set_syntax_highlighter_for(const CodeDocument& document)
     case Language::Cpp:
         set_syntax_highlighter(make<Cpp::SyntaxHighlighter>());
         break;
+    case Language::CSS:
+        set_syntax_highlighter(make<Web::CSS::SyntaxHighlighter>());
+        break;
     case Language::GML:
         set_syntax_highlighter(make<GUI::GMLSyntaxHighlighter>());
         break;
diff --git a/Userland/DevTools/HackStudio/Language.cpp b/Userland/DevTools/HackStudio/Language.cpp
index ea20a39adf..229bfae64c 100644
--- a/Userland/DevTools/HackStudio/Language.cpp
+++ b/Userland/DevTools/HackStudio/Language.cpp
@@ -18,6 +18,8 @@ Language language_from_file_extension(const String& extension)
         return Language::JavaScript;
     if (extension == "html" || extension == "htm")
         return Language::HTML;
+    if (extension == "css")
+        return Language::CSS;
     if (extension == "gml")
         return Language::GML;
     if (extension == "ini")
@@ -60,6 +62,8 @@ String language_name_from_file_extension(const String& extension)
         return "Markdown";
     if (extension == "html" || extension == "htm")
         return "HTML";
+    if (extension == "css")
+        return "CSS";
     if (extension == "sql")
         return "SQL";
     if (extension == "txt")
diff --git a/Userland/DevTools/HackStudio/Language.h b/Userland/DevTools/HackStudio/Language.h
index 24806b115f..fc3e172c8f 100644
--- a/Userland/DevTools/HackStudio/Language.h
+++ b/Userland/DevTools/HackStudio/Language.h
@@ -12,6 +12,7 @@ namespace HackStudio {
 enum class Language {
     Unknown,
     Cpp,
+    CSS,
     JavaScript,
     HTML,
     GML,