diff --git a/Libraries/LibHTML/CSS/StyleProperties.cpp b/Libraries/LibHTML/CSS/StyleProperties.cpp
index 9cdf4af97c..8bf9108911 100644
--- a/Libraries/LibHTML/CSS/StyleProperties.cpp
+++ b/Libraries/LibHTML/CSS/StyleProperties.cpp
@@ -20,3 +20,11 @@ Length StyleProperties::length_or_fallback(const StringView& property_name, cons
         return fallback;
     return value.value()->to_length();
 }
+
+String StyleProperties::string_or_fallback(const StringView& property_name, const StringView& fallback) const
+{
+    auto value = property(property_name);
+    if (!value.has_value())
+        return fallback;
+    return value.value()->to_string();
+}
diff --git a/Libraries/LibHTML/CSS/StyleProperties.h b/Libraries/LibHTML/CSS/StyleProperties.h
index d449363de5..4deca177b1 100644
--- a/Libraries/LibHTML/CSS/StyleProperties.h
+++ b/Libraries/LibHTML/CSS/StyleProperties.h
@@ -17,6 +17,7 @@ public:
     Optional<NonnullRefPtr<StyleValue>> property(const String& name) const;
 
     Length length_or_fallback(const StringView& property_name, const Length& fallback) const;
+    String string_or_fallback(const StringView& property_name, const StringView& fallback) const;
 
 private:
     HashMap<String, NonnullRefPtr<StyleValue>> m_property_values;