diff --git a/Userland/Libraries/LibWeb/CMakeLists.txt b/Userland/Libraries/LibWeb/CMakeLists.txt
index f18e44d03f1..be1f08f0966 100644
--- a/Userland/Libraries/LibWeb/CMakeLists.txt
+++ b/Userland/Libraries/LibWeb/CMakeLists.txt
@@ -94,6 +94,7 @@ set(SOURCES
     CSS/StyleValues/RadialGradientStyleValue.cpp
     CSS/StyleValues/RectStyleValue.cpp
     CSS/StyleValues/ShadowStyleValue.cpp
+    CSS/StyleValues/StyleValueList.cpp
     CSS/StyleValues/TextDecorationStyleValue.cpp
     CSS/StyleValues/TransformationStyleValue.cpp
     CSS/StyleValues/UnresolvedStyleValue.cpp
diff --git a/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp b/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
index a25f381029d..26519083898 100644
--- a/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
+++ b/Userland/Libraries/LibWeb/CSS/Parser/Parser.cpp
@@ -65,6 +65,7 @@
 #include <LibWeb/CSS/StyleValues/ResolutionStyleValue.h>
 #include <LibWeb/CSS/StyleValues/ShadowStyleValue.h>
 #include <LibWeb/CSS/StyleValues/StringStyleValue.h>
+#include <LibWeb/CSS/StyleValues/StyleValueList.h>
 #include <LibWeb/CSS/StyleValues/TextDecorationStyleValue.h>
 #include <LibWeb/CSS/StyleValues/TimeStyleValue.h>
 #include <LibWeb/CSS/StyleValues/TransformationStyleValue.h>
diff --git a/Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp b/Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp
index e55e139ae8e..b484fd1a697 100644
--- a/Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp
+++ b/Userland/Libraries/LibWeb/CSS/ResolvedCSSStyleDeclaration.cpp
@@ -30,6 +30,7 @@
 #include <LibWeb/CSS/StyleValues/PositionStyleValue.h>
 #include <LibWeb/CSS/StyleValues/RectStyleValue.h>
 #include <LibWeb/CSS/StyleValues/ShadowStyleValue.h>
+#include <LibWeb/CSS/StyleValues/StyleValueList.h>
 #include <LibWeb/CSS/StyleValues/TransformationStyleValue.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/DOM/Element.h>
diff --git a/Userland/Libraries/LibWeb/CSS/StyleComputer.cpp b/Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
index 6288d9bf433..dcc9cabff33 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleComputer.cpp
@@ -43,6 +43,7 @@
 #include <LibWeb/CSS/StyleValues/NumericStyleValue.h>
 #include <LibWeb/CSS/StyleValues/OverflowStyleValue.h>
 #include <LibWeb/CSS/StyleValues/PercentageStyleValue.h>
+#include <LibWeb/CSS/StyleValues/StyleValueList.h>
 #include <LibWeb/CSS/StyleValues/TextDecorationStyleValue.h>
 #include <LibWeb/CSS/StyleValues/UnresolvedStyleValue.h>
 #include <LibWeb/DOM/Document.h>
diff --git a/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp b/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
index 33b16a9b3e0..ded4425ebb1 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleProperties.cpp
@@ -18,6 +18,7 @@
 #include <LibWeb/CSS/StyleValues/RectStyleValue.h>
 #include <LibWeb/CSS/StyleValues/ShadowStyleValue.h>
 #include <LibWeb/CSS/StyleValues/StringStyleValue.h>
+#include <LibWeb/CSS/StyleValues/StyleValueList.h>
 #include <LibWeb/CSS/StyleValues/TransformationStyleValue.h>
 #include <LibWeb/FontCache.h>
 #include <LibWeb/Layout/BlockContainer.h>
diff --git a/Userland/Libraries/LibWeb/CSS/StyleValue.cpp b/Userland/Libraries/LibWeb/CSS/StyleValue.cpp
index eeda36a8bf5..37957c93ac8 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleValue.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleValue.cpp
@@ -48,6 +48,7 @@
 #include <LibWeb/CSS/StyleValues/ResolutionStyleValue.h>
 #include <LibWeb/CSS/StyleValues/ShadowStyleValue.h>
 #include <LibWeb/CSS/StyleValues/StringStyleValue.h>
+#include <LibWeb/CSS/StyleValues/StyleValueList.h>
 #include <LibWeb/CSS/StyleValues/TextDecorationStyleValue.h>
 #include <LibWeb/CSS/StyleValues/TimeStyleValue.h>
 #include <LibWeb/CSS/StyleValues/TransformationStyleValue.h>
@@ -1149,34 +1150,6 @@ ErrorOr<void> PositionValue::serialize(StringBuilder& builder) const
     return {};
 }
 
-bool StyleValueList::Properties::operator==(Properties const& other) const
-{
-    return separator == other.separator && values.span() == other.values.span();
-}
-
-ErrorOr<String> StyleValueList::to_string() const
-{
-    auto separator = ""sv;
-    switch (m_properties.separator) {
-    case Separator::Space:
-        separator = " "sv;
-        break;
-    case Separator::Comma:
-        separator = ", "sv;
-        break;
-    default:
-        VERIFY_NOT_REACHED();
-    }
-
-    StringBuilder builder;
-    for (size_t i = 0; i < m_properties.values.size(); ++i) {
-        TRY(builder.try_append(TRY(m_properties.values[i]->to_string())));
-        if (i != m_properties.values.size() - 1)
-            TRY(builder.try_append(separator));
-    }
-    return builder.to_string();
-}
-
 Optional<CSS::Length> absolutized_length(CSS::Length const& length, CSSPixelRect const& viewport_rect, Gfx::FontPixelMetrics const& font_metrics, CSSPixels font_size, CSSPixels root_font_size, CSSPixels line_height, CSSPixels root_line_height)
 {
     if (length.is_px())
diff --git a/Userland/Libraries/LibWeb/CSS/StyleValue.h b/Userland/Libraries/LibWeb/CSS/StyleValue.h
index 41f181a56d4..c04fcb9a666 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleValue.h
+++ b/Userland/Libraries/LibWeb/CSS/StyleValue.h
@@ -622,41 +622,6 @@ private:
     NonnullOwnPtr<CalcSum> m_expression;
 };
 
-class StyleValueList final : public StyleValueWithDefaultOperators<StyleValueList> {
-public:
-    enum class Separator {
-        Space,
-        Comma,
-    };
-    static ValueComparingNonnullRefPtr<StyleValueList> create(StyleValueVector&& values, Separator separator) { return adopt_ref(*new StyleValueList(move(values), separator)); }
-
-    size_t size() const { return m_properties.values.size(); }
-    StyleValueVector const& values() const { return m_properties.values; }
-    ValueComparingNonnullRefPtr<StyleValue const> value_at(size_t i, bool allow_loop) const
-    {
-        if (allow_loop)
-            return m_properties.values[i % size()];
-        return m_properties.values[i];
-    }
-
-    virtual ErrorOr<String> to_string() const override;
-
-    bool properties_equal(StyleValueList const& other) const { return m_properties == other.m_properties; }
-
-private:
-    StyleValueList(StyleValueVector&& values, Separator separator)
-        : StyleValueWithDefaultOperators(Type::ValueList)
-        , m_properties { .separator = separator, .values = move(values) }
-    {
-    }
-
-    struct Properties {
-        Separator separator;
-        StyleValueVector values;
-        bool operator==(Properties const&) const;
-    } m_properties;
-};
-
 }
 
 template<>
diff --git a/Userland/Libraries/LibWeb/CSS/StyleValues/BackgroundStyleValue.cpp b/Userland/Libraries/LibWeb/CSS/StyleValues/BackgroundStyleValue.cpp
index aa3a29fb3d4..8148bb52122 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleValues/BackgroundStyleValue.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleValues/BackgroundStyleValue.cpp
@@ -8,6 +8,7 @@
  */
 
 #include "BackgroundStyleValue.h"
+#include <LibWeb/CSS/StyleValues/StyleValueList.h>
 
 namespace Web::CSS {
 
diff --git a/Userland/Libraries/LibWeb/CSS/StyleValues/ContentStyleValue.cpp b/Userland/Libraries/LibWeb/CSS/StyleValues/ContentStyleValue.cpp
index e3513fab716..17d6be591a6 100644
--- a/Userland/Libraries/LibWeb/CSS/StyleValues/ContentStyleValue.cpp
+++ b/Userland/Libraries/LibWeb/CSS/StyleValues/ContentStyleValue.cpp
@@ -8,6 +8,7 @@
  */
 
 #include "ContentStyleValue.h"
+#include <LibWeb/CSS/StyleValues/StyleValueList.h>
 
 namespace Web::CSS {
 
diff --git a/Userland/Libraries/LibWeb/CSS/StyleValues/StyleValueList.cpp b/Userland/Libraries/LibWeb/CSS/StyleValues/StyleValueList.cpp
new file mode 100644
index 00000000000..af03150b6df
--- /dev/null
+++ b/Userland/Libraries/LibWeb/CSS/StyleValues/StyleValueList.cpp
@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
+ * Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
+ * Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include "StyleValueList.h"
+
+namespace Web::CSS {
+
+bool StyleValueList::Properties::operator==(Properties const& other) const
+{
+    return separator == other.separator && values.span() == other.values.span();
+}
+
+ErrorOr<String> StyleValueList::to_string() const
+{
+    auto separator = ""sv;
+    switch (m_properties.separator) {
+    case Separator::Space:
+        separator = " "sv;
+        break;
+    case Separator::Comma:
+        separator = ", "sv;
+        break;
+    default:
+        VERIFY_NOT_REACHED();
+    }
+
+    StringBuilder builder;
+    for (size_t i = 0; i < m_properties.values.size(); ++i) {
+        TRY(builder.try_append(TRY(m_properties.values[i]->to_string())));
+        if (i != m_properties.values.size() - 1)
+            TRY(builder.try_append(separator));
+    }
+    return builder.to_string();
+}
+
+}
diff --git a/Userland/Libraries/LibWeb/CSS/StyleValues/StyleValueList.h b/Userland/Libraries/LibWeb/CSS/StyleValues/StyleValueList.h
new file mode 100644
index 00000000000..2006ef1820d
--- /dev/null
+++ b/Userland/Libraries/LibWeb/CSS/StyleValues/StyleValueList.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
+ * Copyright (c) 2021, Tobias Christiansen <tobyase@serenityos.org>
+ * Copyright (c) 2021-2023, Sam Atkins <atkinssj@serenityos.org>
+ * Copyright (c) 2022-2023, MacDue <macdue@dueutil.tech>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/CSS/StyleValue.h>
+
+namespace Web::CSS {
+
+class StyleValueList final : public StyleValueWithDefaultOperators<StyleValueList> {
+public:
+    enum class Separator {
+        Space,
+        Comma,
+    };
+    static ValueComparingNonnullRefPtr<StyleValueList> create(StyleValueVector&& values, Separator separator) { return adopt_ref(*new StyleValueList(move(values), separator)); }
+
+    size_t size() const { return m_properties.values.size(); }
+    StyleValueVector const& values() const { return m_properties.values; }
+    ValueComparingNonnullRefPtr<StyleValue const> value_at(size_t i, bool allow_loop) const
+    {
+        if (allow_loop)
+            return m_properties.values[i % size()];
+        return m_properties.values[i];
+    }
+
+    virtual ErrorOr<String> to_string() const override;
+
+    bool properties_equal(StyleValueList const& other) const { return m_properties == other.m_properties; }
+
+private:
+    StyleValueList(StyleValueVector&& values, Separator separator)
+        : StyleValueWithDefaultOperators(Type::ValueList)
+        , m_properties { .separator = separator, .values = move(values) }
+    {
+    }
+
+    struct Properties {
+        Separator separator;
+        StyleValueVector values;
+        bool operator==(Properties const&) const;
+    } m_properties;
+};
+
+}
diff --git a/Userland/Libraries/LibWeb/Layout/Node.cpp b/Userland/Libraries/LibWeb/Layout/Node.cpp
index f0634c8d4a8..a9cc87abdec 100644
--- a/Userland/Libraries/LibWeb/Layout/Node.cpp
+++ b/Userland/Libraries/LibWeb/Layout/Node.cpp
@@ -10,6 +10,7 @@
 #include <LibWeb/CSS/StyleValues/BackgroundSizeStyleValue.h>
 #include <LibWeb/CSS/StyleValues/BorderRadiusStyleValue.h>
 #include <LibWeb/CSS/StyleValues/PositionStyleValue.h>
+#include <LibWeb/CSS/StyleValues/StyleValueList.h>
 #include <LibWeb/DOM/Document.h>
 #include <LibWeb/Dump.h>
 #include <LibWeb/HTML/BrowsingContext.h>