diff --git a/Userland/Libraries/LibWeb/CSS/Parser/StyleRule.cpp b/Userland/Libraries/LibWeb/CSS/Parser/StyleRule.cpp
index 177e4e1648..aba0decaa9 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/StyleRule.cpp
+++ b/Userland/Libraries/LibWeb/CSS/Parser/StyleRule.cpp
@@ -8,7 +8,7 @@
 #include <LibWeb/CSS/Parser/StyleRule.h>
 #include <LibWeb/CSS/Serialize.h>
 
-namespace Web::CSS {
+namespace Web::CSS::Parser {
 
 StyleRule::StyleRule(StyleRule::Type type)
     : m_type(type)
diff --git a/Userland/Libraries/LibWeb/CSS/Parser/StyleRule.h b/Userland/Libraries/LibWeb/CSS/Parser/StyleRule.h
index 1b5a146377..70b8084697 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/StyleRule.h
+++ b/Userland/Libraries/LibWeb/CSS/Parser/StyleRule.h
@@ -12,10 +12,10 @@
 #include <LibWeb/CSS/Parser/Block.h>
 #include <LibWeb/CSS/Parser/ComponentValue.h>
 
-namespace Web::CSS {
+namespace Web::CSS::Parser {
 
 class StyleRule : public RefCounted<StyleRule> {
-    friend class Parser::Parser;
+    friend class Parser;
 
 public:
     enum class Type {
@@ -29,8 +29,8 @@ public:
     bool is_qualified_rule() const { return m_type == Type::Qualified; }
     bool is_at_rule() const { return m_type == Type::At; }
 
-    Vector<Parser::ComponentValue> const& prelude() const { return m_prelude; }
-    RefPtr<Parser::Block const> block() const { return m_block; }
+    Vector<ComponentValue> const& prelude() const { return m_prelude; }
+    RefPtr<Block const> block() const { return m_block; }
     String const& at_rule_name() const { return m_at_rule_name; }
 
     String to_string() const;
@@ -38,8 +38,8 @@ public:
 private:
     Type const m_type;
     String m_at_rule_name;
-    Vector<Parser::ComponentValue> m_prelude;
-    RefPtr<Parser::Block> m_block;
+    Vector<ComponentValue> m_prelude;
+    RefPtr<Block> m_block;
 };
 
 }
diff --git a/Userland/Libraries/LibWeb/Forward.h b/Userland/Libraries/LibWeb/Forward.h
index 4e5dd391fd..d30382cf5c 100644
--- a/Userland/Libraries/LibWeb/Forward.h
+++ b/Userland/Libraries/LibWeb/Forward.h
@@ -105,6 +105,7 @@ class Declaration;
 class DeclarationOrAtRule;
 class Function;
 class Parser;
+class StyleRule;
 }
 
 namespace Web::DOM {