diff --git a/Userland/Libraries/LibWeb/DOM/Node.cpp b/Userland/Libraries/LibWeb/DOM/Node.cpp
index c15ebbc8e4..a644552187 100644
--- a/Userland/Libraries/LibWeb/DOM/Node.cpp
+++ b/Userland/Libraries/LibWeb/DOM/Node.cpp
@@ -959,4 +959,18 @@ NonnullRefPtr<Node> Node::get_root_node(GetRootNodeOptions const& options)
     return root();
 }
 
+String Node::debug_description() const
+{
+    StringBuilder builder;
+    builder.append(node_name().to_lowercase());
+    if (is_element()) {
+        auto& element = static_cast<DOM::Element const&>(*this);
+        if (auto id = element.get_attribute(HTML::AttributeNames::id); !id.is_null())
+            builder.appendff("#{}", id);
+        for (auto const& class_name : element.class_names())
+            builder.appendff(".{}", class_name);
+    }
+    return builder.to_string();
+}
+
 }
diff --git a/Userland/Libraries/LibWeb/DOM/Node.h b/Userland/Libraries/LibWeb/DOM/Node.h
index 6f5c5a4a26..d6ebd15e12 100644
--- a/Userland/Libraries/LibWeb/DOM/Node.h
+++ b/Userland/Libraries/LibWeb/DOM/Node.h
@@ -208,6 +208,8 @@ public:
 
     bool is_uninteresting_whitespace_node() const;
 
+    String debug_description() const;
+
 protected:
     Node(Document&, NodeType);
 
diff --git a/Userland/Libraries/LibWeb/Layout/Box.cpp b/Userland/Libraries/LibWeb/Layout/Box.cpp
index f7fa16e6e1..c432427015 100644
--- a/Userland/Libraries/LibWeb/Layout/Box.cpp
+++ b/Userland/Libraries/LibWeb/Layout/Box.cpp
@@ -43,19 +43,34 @@ void Box::paint(PaintContext& context, PaintPhase phase)
         margin_rect.set_y(absolute_y() - margin_box.top);
         margin_rect.set_height(content_height() + margin_box.top + margin_box.bottom);
 
-        context.painter().draw_rect(enclosing_int_rect(margin_rect), Color::Yellow);
-        context.painter().draw_rect(enclosing_int_rect(absolute_padding_box_rect()), Color::Cyan);
-        context.painter().draw_rect(enclosing_int_rect(content_rect), Color::Magenta);
+        auto border_rect = absolute_border_box_rect();
+        auto padding_rect = absolute_padding_box_rect();
 
-        auto size_text_rect = absolute_rect();
-        auto size_text = String::formatted("{}x{}", content_rect.width(), content_rect.height());
-        size_text_rect.set_y(content_rect.y() + content_rect.height());
+        auto paint_inspector_rect = [&](Gfx::FloatRect const& rect, Color color) {
+            context.painter().fill_rect(enclosing_int_rect(rect), Color(color).with_alpha(100));
+            context.painter().draw_rect(enclosing_int_rect(rect), Color(color));
+        };
+
+        paint_inspector_rect(margin_rect, Color::Yellow);
+        paint_inspector_rect(padding_rect, Color::Cyan);
+        paint_inspector_rect(border_rect, Color::Green);
+        paint_inspector_rect(content_rect, Color::Magenta);
+
+        StringBuilder builder;
+        if (dom_node())
+            builder.append(dom_node()->debug_description());
+        else
+            builder.append(debug_description());
+        builder.appendff(" {}x{} @ {},{}", border_rect.width(), border_rect.height(), border_rect.x(), border_rect.y());
+        auto size_text = builder.to_string();
+        auto size_text_rect = border_rect;
+        size_text_rect.set_y(border_rect.y() + border_rect.height());
         size_text_rect.set_top(size_text_rect.top());
-        size_text_rect.set_width((float)context.painter().font().width(size_text));
-        size_text_rect.set_height(context.painter().font().glyph_height());
-
-        context.painter().fill_rect(enclosing_int_rect(size_text_rect), Color::Cyan);
-        context.painter().draw_text(enclosing_int_rect(size_text_rect), size_text);
+        size_text_rect.set_width((float)context.painter().font().width(size_text) + 4);
+        size_text_rect.set_height(context.painter().font().glyph_height() + 4);
+        context.painter().fill_rect(enclosing_int_rect(size_text_rect), context.palette().color(Gfx::ColorRole::Tooltip));
+        context.painter().draw_rect(enclosing_int_rect(size_text_rect), context.palette().threed_shadow1());
+        context.painter().draw_text(enclosing_int_rect(size_text_rect), size_text, Gfx::TextAlignment::Center, context.palette().color(Gfx::ColorRole::TooltipText));
     }
 
     if (phase == PaintPhase::FocusOutline && dom_node() && dom_node()->is_element() && verify_cast<DOM::Element>(*dom_node()).is_focused()) {