diff --git a/Userland/Applets/Audio/main.cpp b/Userland/Applets/Audio/main.cpp
index 54c7c5bd7c..b62dde9e91 100644
--- a/Userland/Applets/Audio/main.cpp
+++ b/Userland/Applets/Audio/main.cpp
@@ -63,7 +63,7 @@ public:
         m_root_container = m_slider_window->set_main_widget<GUI::Label>();
         m_root_container->set_fill_with_background_color(true);
         m_root_container->set_layout<GUI::VerticalBoxLayout>();
-        m_root_container->layout()->set_margins({ 0, 4, 0, 4 });
+        m_root_container->layout()->set_margins({ 4, 0, 4, 0 });
         m_root_container->layout()->set_spacing(0);
         m_root_container->set_frame_thickness(2);
         m_root_container->set_frame_shape(Gfx::FrameShape::Container);
diff --git a/Userland/Applications/Assistant/main.cpp b/Userland/Applications/Assistant/main.cpp
index da0d825b72..1d1de4bb62 100644
--- a/Userland/Applications/Assistant/main.cpp
+++ b/Userland/Applications/Assistant/main.cpp
@@ -221,12 +221,12 @@ int main(int argc, char** argv)
     container.set_fill_with_background_color(true);
     container.set_frame_shadow(Gfx::FrameShadow::Raised);
     auto& layout = container.set_layout<GUI::VerticalBoxLayout>();
-    layout.set_margins({ 8, 8, 8, 0 });
+    layout.set_margins({ 8, 8, 0, 8 });
 
     auto& text_box = container.add<GUI::TextBox>();
     auto& results_container = container.add<GUI::Widget>();
     auto& results_layout = results_container.set_layout<GUI::VerticalBoxLayout>();
-    results_layout.set_margins({ 0, 10, 0, 10 });
+    results_layout.set_margins({ 10, 0, 10, 0 });
 
     auto mark_selected_item = [&]() {
         for (size_t i = 0; i < app_state.visible_result_count; ++i) {
diff --git a/Userland/Applications/DisplaySettings/DesktopSettings.gml b/Userland/Applications/DisplaySettings/DesktopSettings.gml
index 0aa4154f4e..1d753cd6cb 100644
--- a/Userland/Applications/DisplaySettings/DesktopSettings.gml
+++ b/Userland/Applications/DisplaySettings/DesktopSettings.gml
@@ -7,7 +7,7 @@
 
     @GUI::GroupBox {
         layout: @GUI::VerticalBoxLayout {
-            margins: [16, 24, 16, 6]
+            margins: [24, 16, 6, 16]
         }
 
         title: "Workspaces"
diff --git a/Userland/Applications/DisplaySettings/MonitorSettings.gml b/Userland/Applications/DisplaySettings/MonitorSettings.gml
index 2f545c9a47..7984e9ea91 100644
--- a/Userland/Applications/DisplaySettings/MonitorSettings.gml
+++ b/Userland/Applications/DisplaySettings/MonitorSettings.gml
@@ -18,7 +18,7 @@
     @GUI::Widget {
         shrink_to_fit: true
         layout: @GUI::HorizontalBoxLayout {
-            margins: [16, 8, 8, 6]
+            margins: [8, 8, 6, 16]
         }
 
         @GUI::Label {
@@ -34,7 +34,7 @@
 
     @GUI::GroupBox {
         layout: @GUI::VerticalBoxLayout {
-            margins: [16, 24, 16, 6]
+            margins: [24, 16, 6, 16]
         }
 
         title: "Screen settings"
diff --git a/Userland/Applications/FileManager/PropertiesWindowGeneralTab.gml b/Userland/Applications/FileManager/PropertiesWindowGeneralTab.gml
index 449ab3a54d..142082911c 100644
--- a/Userland/Applications/FileManager/PropertiesWindowGeneralTab.gml
+++ b/Userland/Applications/FileManager/PropertiesWindowGeneralTab.gml
@@ -1,6 +1,6 @@
 @GUI::Widget {
     layout: @GUI::VerticalBoxLayout {
-        margins: [12, 8, 12, 8]
+        margins: [8, 12, 8, 12]
         spacing: 10
     }
 
diff --git a/Userland/Applications/FileManager/main.cpp b/Userland/Applications/FileManager/main.cpp
index 523bed4cd2..3c37b36cc9 100644
--- a/Userland/Applications/FileManager/main.cpp
+++ b/Userland/Applications/FileManager/main.cpp
@@ -443,12 +443,12 @@ int run_in_windowed_mode(RefPtr<Core::ConfigFile> config, String initial_locatio
     auto& toolbar_container = *widget.find_descendant_of_type_named<GUI::ToolbarContainer>("toolbar_container");
     auto& main_toolbar = *widget.find_descendant_of_type_named<GUI::Toolbar>("main_toolbar");
     auto& location_toolbar = *widget.find_descendant_of_type_named<GUI::Toolbar>("location_toolbar");
-    location_toolbar.layout()->set_margins({ 6, 3, 6, 3 });
+    location_toolbar.layout()->set_margins({ 3, 6, 3, 6 });
 
     auto& location_textbox = *widget.find_descendant_of_type_named<GUI::TextBox>("location_textbox");
 
     auto& breadcrumb_toolbar = *widget.find_descendant_of_type_named<GUI::Toolbar>("breadcrumb_toolbar");
-    breadcrumb_toolbar.layout()->set_margins({ 6, 0, 6, 0 });
+    breadcrumb_toolbar.layout()->set_margins({ 0, 6, 0, 6 });
     auto& breadcrumbbar = *widget.find_descendant_of_type_named<GUI::Breadcrumbbar>("breadcrumbbar");
 
     auto& splitter = *widget.find_descendant_of_type_named<GUI::HorizontalSplitter>("splitter");
diff --git a/Userland/Applications/FontEditor/NewFontDialogPage2.gml b/Userland/Applications/FontEditor/NewFontDialogPage2.gml
index e4dec5fcc3..e9ebf28656 100644
--- a/Userland/Applications/FontEditor/NewFontDialogPage2.gml
+++ b/Userland/Applications/FontEditor/NewFontDialogPage2.gml
@@ -11,7 +11,7 @@
             title: "Metadata"
             fixed_width: 200
             layout: @GUI::VerticalBoxLayout {
-                margins: [8, 16, 8, 8]
+                margins: [16, 8, 8, 8]
             }
 
             @GUI::Widget {
@@ -125,7 +125,7 @@
             @GUI::Widget {
                 name: "glyph_editor_container"
                 layout: @GUI::VerticalBoxLayout {
-                    margins: [0, 5, 0, 0]
+                    margins: [5, 0, 0, 0]
                 }
             }
 
diff --git a/Userland/Applications/IRCClient/IRCAppWindow.cpp b/Userland/Applications/IRCClient/IRCAppWindow.cpp
index 187e3dc292..e24dab9d30 100644
--- a/Userland/Applications/IRCClient/IRCAppWindow.cpp
+++ b/Userland/Applications/IRCClient/IRCAppWindow.cpp
@@ -298,7 +298,7 @@ void IRCAppWindow::setup_widgets()
 
     auto& outer_container = widget.add<GUI::Widget>();
     outer_container.set_layout<GUI::VerticalBoxLayout>();
-    outer_container.layout()->set_margins({ 2, 0, 2, 2 });
+    outer_container.layout()->set_margins({ 0, 2, 2, 2 });
 
     auto& horizontal_container = outer_container.add<GUI::HorizontalSplitter>();
 
diff --git a/Userland/Applications/KeyboardSettings/main.cpp b/Userland/Applications/KeyboardSettings/main.cpp
index 8c77b31705..411e6b9536 100644
--- a/Userland/Applications/KeyboardSettings/main.cpp
+++ b/Userland/Applications/KeyboardSettings/main.cpp
@@ -154,7 +154,7 @@ int main(int argc, char** argv)
     bottom_widget.set_layout<GUI::HorizontalBoxLayout>();
     bottom_widget.layout()->add_spacer();
     bottom_widget.set_fixed_height(30);
-    bottom_widget.set_content_margins({ 0, 4, 0, 4 });
+    bottom_widget.set_content_margins({ 4, 0, 4, 0 });
 
     auto& ok_button = bottom_widget.add<GUI::Button>();
     ok_button.set_text("OK");
diff --git a/Userland/Applications/MailSettings/MailSettingsWindow.gml b/Userland/Applications/MailSettings/MailSettingsWindow.gml
index 9ab7b4ae3c..8e6a61e3bf 100644
--- a/Userland/Applications/MailSettings/MailSettingsWindow.gml
+++ b/Userland/Applications/MailSettings/MailSettingsWindow.gml
@@ -11,7 +11,7 @@
         fixed_height: 170
 
         layout: @GUI::VerticalBoxLayout {
-            margins: [8, 16, 8, 8]
+            margins: [16, 8, 8, 8]
             spacing: 2
         }
 
@@ -101,7 +101,7 @@
         fixed_height: 110
 
         layout: @GUI::VerticalBoxLayout {
-            margins: [8, 16, 8, 8]
+            margins: [16, 8, 8, 8]
             spacing: 2
         }
 
diff --git a/Userland/Applications/MouseSettings/MouseSettingsWindow.gml b/Userland/Applications/MouseSettings/MouseSettingsWindow.gml
index 93e3b68949..3731fecceb 100644
--- a/Userland/Applications/MouseSettings/MouseSettingsWindow.gml
+++ b/Userland/Applications/MouseSettings/MouseSettingsWindow.gml
@@ -11,7 +11,7 @@
         fixed_height: 110
 
         layout: @GUI::VerticalBoxLayout {
-            margins: [8, 16, 8, 8]
+            margins: [16, 8, 8, 8]
             spacing: 2
         }
 
@@ -60,7 +60,7 @@
         fixed_height: 110
 
         layout: @GUI::VerticalBoxLayout {
-            margins: [8, 16, 8, 8]
+            margins: [16, 8, 8, 8]
             spacing: 2
         }
 
@@ -114,7 +114,7 @@
         fixed_height: 110
 
         layout: @GUI::VerticalBoxLayout {
-            margins: [8, 16, 8, 8]
+            margins: [16, 8, 8, 8]
             spacing: 2
         }
 
diff --git a/Userland/Applications/PixelPaint/CreateNewGuideDialog.gml b/Userland/Applications/PixelPaint/CreateNewGuideDialog.gml
index 9dc7c5b957..54cf57a6d8 100644
--- a/Userland/Applications/PixelPaint/CreateNewGuideDialog.gml
+++ b/Userland/Applications/PixelPaint/CreateNewGuideDialog.gml
@@ -14,7 +14,7 @@
             shrink_to_fit: true
             
             layout: @GUI::HorizontalBoxLayout {
-                margins: [10,20,10,10]
+                margins: [20,10,10,10]
             }
 
             @GUI::RadioButton {
diff --git a/Userland/Applications/PixelPaint/LayerPropertiesWidget.cpp b/Userland/Applications/PixelPaint/LayerPropertiesWidget.cpp
index 44ef335626..67094d6554 100644
--- a/Userland/Applications/PixelPaint/LayerPropertiesWidget.cpp
+++ b/Userland/Applications/PixelPaint/LayerPropertiesWidget.cpp
@@ -25,7 +25,7 @@ LayerPropertiesWidget::LayerPropertiesWidget()
     auto& group_box = add<GUI::GroupBox>("Layer properties");
     auto& layout = group_box.set_layout<GUI::VerticalBoxLayout>();
 
-    layout.set_margins({ 10, 20, 10, 10 });
+    layout.set_margins({ 20, 10, 10, 10 });
 
     auto& name_container = group_box.add<GUI::Widget>();
     name_container.set_fixed_height(20);
diff --git a/Userland/Applications/PixelPaint/PixelPaintWindow.gml b/Userland/Applications/PixelPaint/PixelPaintWindow.gml
index f0b35f7363..c008f276f8 100644
--- a/Userland/Applications/PixelPaint/PixelPaintWindow.gml
+++ b/Userland/Applications/PixelPaint/PixelPaintWindow.gml
@@ -51,7 +51,7 @@
             @GUI::GroupBox {
                 title: "Layers"
                 layout: @GUI::VerticalBoxLayout {
-                    margins: [6, 16, 6, 6]
+                    margins: [16, 6, 6, 6]
                 }
 
                 @PixelPaint::LayerListWidget {
diff --git a/Userland/Applications/PixelPaint/ToolPropertiesWidget.cpp b/Userland/Applications/PixelPaint/ToolPropertiesWidget.cpp
index 3bbbe8b82a..9e96db24b2 100644
--- a/Userland/Applications/PixelPaint/ToolPropertiesWidget.cpp
+++ b/Userland/Applications/PixelPaint/ToolPropertiesWidget.cpp
@@ -19,7 +19,7 @@ ToolPropertiesWidget::ToolPropertiesWidget()
 
     m_group_box = add<GUI::GroupBox>("Tool properties");
     auto& layout = m_group_box->set_layout<GUI::VerticalBoxLayout>();
-    layout.set_margins({ 10, 20, 10, 10 });
+    layout.set_margins({ 20, 10, 10, 10 });
     m_tool_widget_stack = m_group_box->add<GUI::StackWidget>();
     m_blank_widget = m_tool_widget_stack->add<GUI::Widget>();
 }
diff --git a/Userland/Applications/PixelPaint/main.cpp b/Userland/Applications/PixelPaint/main.cpp
index dfa3a1ca25..7b7661b3c4 100644
--- a/Userland/Applications/PixelPaint/main.cpp
+++ b/Userland/Applications/PixelPaint/main.cpp
@@ -101,7 +101,7 @@ int main(int argc, char** argv)
 
     auto& toolbox = *main_widget.find_descendant_of_type_named<PixelPaint::ToolboxWidget>("toolbox");
     auto& tab_widget = *main_widget.find_descendant_of_type_named<GUI::TabWidget>("tab_widget");
-    tab_widget.set_container_margins({ 4, 4, 5, 5 });
+    tab_widget.set_container_margins({ 4, 5, 5, 4 });
     tab_widget.set_close_button_enabled(true);
 
     auto& palette_widget = *main_widget.find_descendant_of_type_named<PixelPaint::PaletteWidget>("palette_widget");
diff --git a/Userland/Applications/Spreadsheet/CellTypeDialog.cpp b/Userland/Applications/Spreadsheet/CellTypeDialog.cpp
index 4365ba222c..f50a7efad6 100644
--- a/Userland/Applications/Spreadsheet/CellTypeDialog.cpp
+++ b/Userland/Applications/Spreadsheet/CellTypeDialog.cpp
@@ -199,7 +199,7 @@ void CellTypeDialog::setup_tabs(GUI::TabWidget& tabs, const Vector<Position>& po
         {
             auto& horizontal_alignment_selection_container = alignment_tab.add<GUI::Widget>();
             horizontal_alignment_selection_container.set_layout<GUI::HorizontalBoxLayout>();
-            horizontal_alignment_selection_container.layout()->set_margins({ 0, 4, 0, 0 });
+            horizontal_alignment_selection_container.layout()->set_margins({ 4, 0, 0, 0 });
             horizontal_alignment_selection_container.set_fixed_height(22);
 
             auto& horizontal_alignment_label = horizontal_alignment_selection_container.add<GUI::Label>();
@@ -273,7 +273,7 @@ void CellTypeDialog::setup_tabs(GUI::TabWidget& tabs, const Vector<Position>& po
                 // FIXME: Somehow allow unsetting these.
                 auto& foreground_container = static_formatting_container.add<GUI::Widget>();
                 foreground_container.set_layout<GUI::HorizontalBoxLayout>();
-                foreground_container.layout()->set_margins({ 0, 4, 0, 0 });
+                foreground_container.layout()->set_margins({ 4, 0, 0, 0 });
                 foreground_container.set_shrink_to_fit(true);
 
                 auto& foreground_label = foreground_container.add<GUI::Label>();
@@ -293,7 +293,7 @@ void CellTypeDialog::setup_tabs(GUI::TabWidget& tabs, const Vector<Position>& po
                 // FIXME: Somehow allow unsetting these.
                 auto& background_container = static_formatting_container.add<GUI::Widget>();
                 background_container.set_layout<GUI::HorizontalBoxLayout>();
-                background_container.layout()->set_margins({ 0, 4, 0, 0 });
+                background_container.layout()->set_margins({ 4, 0, 0, 0 });
                 background_container.set_shrink_to_fit(true);
 
                 auto& background_label = background_container.add<GUI::Label>();
diff --git a/Userland/Applications/Spreadsheet/csv_export.gml b/Userland/Applications/Spreadsheet/csv_export.gml
index d2def8652c..e07706b207 100644
--- a/Userland/Applications/Spreadsheet/csv_export.gml
+++ b/Userland/Applications/Spreadsheet/csv_export.gml
@@ -19,7 +19,7 @@
 
                     layout: @GUI::VerticalBoxLayout {
                         // FIXME: This is working around the fact that group boxes don't allocate space for their title and border!
-                        margins: [10, 20, 10, 10]
+                        margins: [20, 10, 10, 10]
                     }
 
                     @GUI::RadioButton {
@@ -70,7 +70,7 @@
 
                     layout: @GUI::VerticalBoxLayout {
                         // FIXME: This is working around the fact that group boxes don't allocate space for their title and border!
-                        margins: [10, 20, 10, 10]
+                        margins: [20, 10, 10, 10]
                     }
 
                     @GUI::RadioButton {
@@ -152,7 +152,7 @@
 
             layout: @GUI::VerticalBoxLayout {
                 // FIXME: This is working around the fact that group boxes don't allocate space for their title and border!
-                margins: [10, 20, 10, 10]
+                margins: [20, 10, 10, 10]
             }
 
             @GUI::TextEditor {
diff --git a/Userland/Applications/Spreadsheet/csv_import.gml b/Userland/Applications/Spreadsheet/csv_import.gml
index be447f5fa3..eb141dcf40 100644
--- a/Userland/Applications/Spreadsheet/csv_import.gml
+++ b/Userland/Applications/Spreadsheet/csv_import.gml
@@ -19,7 +19,7 @@
 
                     layout: @GUI::VerticalBoxLayout {
                         // FIXME: This is working around the fact that group boxes don't allocate space for their title and border!
-                        margins: [10, 20, 10, 10]
+                        margins: [20, 10, 10, 10]
                     }
 
                     @GUI::RadioButton {
@@ -70,7 +70,7 @@
 
                     layout: @GUI::VerticalBoxLayout {
                         // FIXME: This is working around the fact that group boxes don't allocate space for their title and border!
-                        margins: [10, 20, 10, 10]
+                        margins: [20, 10, 10, 10]
                     }
 
                     @GUI::RadioButton {
@@ -133,7 +133,7 @@
                 fixed_height: 40
 
                 layout: @GUI::VerticalBoxLayout {
-                    margins: [6, 6, 6, 0]
+                    margins: [6, 6, 0, 6]
                 }
 
                 @GUI::Widget {
@@ -165,7 +165,7 @@
 
             layout: @GUI::VerticalBoxLayout {
                 // FIXME: This is working around the fact that group boxes don't allocate space for their title and border!
-                margins: [10, 20, 10, 10]
+                margins: [20, 10, 10, 10]
             }
 
             @GUI::StackWidget {
diff --git a/Userland/Applications/SystemMonitor/MemoryStatsWidget.cpp b/Userland/Applications/SystemMonitor/MemoryStatsWidget.cpp
index 63e368ba80..4dcedb3340 100644
--- a/Userland/Applications/SystemMonitor/MemoryStatsWidget.cpp
+++ b/Userland/Applications/SystemMonitor/MemoryStatsWidget.cpp
@@ -31,7 +31,7 @@ MemoryStatsWidget::MemoryStatsWidget(GraphWidget& graph)
     set_fixed_height(110);
 
     set_layout<GUI::VerticalBoxLayout>();
-    layout()->set_margins({ 0, 8, 0, 0 });
+    layout()->set_margins({ 8, 0, 0, 0 });
     layout()->set_spacing(3);
 
     auto build_widgets_for_label = [this](const String& description) -> RefPtr<GUI::Label> {
diff --git a/Userland/Applications/SystemMonitor/NetworkStatisticsWidget.cpp b/Userland/Applications/SystemMonitor/NetworkStatisticsWidget.cpp
index c27b7b6c57..77383c831d 100644
--- a/Userland/Applications/SystemMonitor/NetworkStatisticsWidget.cpp
+++ b/Userland/Applications/SystemMonitor/NetworkStatisticsWidget.cpp
@@ -32,7 +32,7 @@ NetworkStatisticsWidget::NetworkStatisticsWidget()
 
         auto& adapters_group_box = add<GUI::GroupBox>("Adapters");
         adapters_group_box.set_layout<GUI::VerticalBoxLayout>();
-        adapters_group_box.layout()->set_margins({ 6, 16, 6, 6 });
+        adapters_group_box.layout()->set_margins({ 16, 6, 6, 6 });
         adapters_group_box.set_fixed_height(120);
 
         m_adapter_table_view = adapters_group_box.add<GUI::TableView>();
@@ -69,7 +69,7 @@ NetworkStatisticsWidget::NetworkStatisticsWidget()
 
         auto& tcp_sockets_group_box = add<GUI::GroupBox>("TCP Sockets");
         tcp_sockets_group_box.set_layout<GUI::VerticalBoxLayout>();
-        tcp_sockets_group_box.layout()->set_margins({ 6, 16, 6, 6 });
+        tcp_sockets_group_box.layout()->set_margins({ 16, 6, 6, 6 });
 
         m_tcp_socket_table_view = tcp_sockets_group_box.add<GUI::TableView>();
 
@@ -90,7 +90,7 @@ NetworkStatisticsWidget::NetworkStatisticsWidget()
 
         auto& udp_sockets_group_box = add<GUI::GroupBox>("UDP Sockets");
         udp_sockets_group_box.set_layout<GUI::VerticalBoxLayout>();
-        udp_sockets_group_box.layout()->set_margins({ 6, 16, 6, 6 });
+        udp_sockets_group_box.layout()->set_margins({ 16, 6, 6, 6 });
 
         m_udp_socket_table_view = udp_sockets_group_box.add<GUI::TableView>();
 
diff --git a/Userland/Applications/SystemMonitor/main.cpp b/Userland/Applications/SystemMonitor/main.cpp
index 72c35b8418..496bd4d4a8 100644
--- a/Userland/Applications/SystemMonitor/main.cpp
+++ b/Userland/Applications/SystemMonitor/main.cpp
@@ -179,7 +179,7 @@ int main(int argc, char** argv)
 
     auto& tabwidget_container = main_widget.add<GUI::Widget>();
     tabwidget_container.set_layout<GUI::VerticalBoxLayout>();
-    tabwidget_container.layout()->set_margins({ 4, 0, 4, 4 });
+    tabwidget_container.layout()->set_margins({ 0, 4, 4, 4 });
     auto& tabwidget = tabwidget_container.add<GUI::TabWidget>();
 
     statusbar = main_widget.add<GUI::Statusbar>(3);
@@ -669,7 +669,7 @@ NonnullRefPtr<GUI::Widget> build_graphs_tab()
 
     auto& cpu_graph_group_box = graphs_container->add<GUI::GroupBox>("CPU usage");
     cpu_graph_group_box.set_layout<GUI::HorizontalBoxLayout>();
-    cpu_graph_group_box.layout()->set_margins({ 6, 16, 6, 6 });
+    cpu_graph_group_box.layout()->set_margins({ 16, 6, 6, 6 });
     cpu_graph_group_box.set_fixed_height(120);
     Vector<GraphWidget&> cpu_graphs;
     for (size_t i = 0; i < ProcessModel::the().cpus().size(); i++) {
@@ -701,7 +701,7 @@ NonnullRefPtr<GUI::Widget> build_graphs_tab()
 
     auto& memory_graph_group_box = graphs_container->add<GUI::GroupBox>("Memory usage");
     memory_graph_group_box.set_layout<GUI::VerticalBoxLayout>();
-    memory_graph_group_box.layout()->set_margins({ 6, 16, 6, 6 });
+    memory_graph_group_box.layout()->set_margins({ 16, 6, 6, 6 });
     memory_graph_group_box.set_fixed_height(120);
     auto& memory_graph = memory_graph_group_box.add<GraphWidget>();
     memory_graph.set_stack_values(true);
diff --git a/Userland/Applications/Terminal/TerminalSettingsWindow.gml b/Userland/Applications/Terminal/TerminalSettingsWindow.gml
index 6c906fd463..575257215b 100644
--- a/Userland/Applications/Terminal/TerminalSettingsWindow.gml
+++ b/Userland/Applications/Terminal/TerminalSettingsWindow.gml
@@ -10,7 +10,7 @@
         shrink_to_fit: true
 
         layout: @GUI::VerticalBoxLayout {
-            margins: [6, 16, 6, 6]
+            margins: [16, 6, 6, 6]
         }
 
         @GUI::RadioButton {
@@ -34,7 +34,7 @@
         shrink_to_fit: true
 
         layout: @GUI::VerticalBoxLayout {
-            margins: [6, 16, 6, 6]
+            margins: [16, 6, 6, 6]
         }
 
         @GUI::OpacitySlider {
@@ -50,7 +50,7 @@
         shrink_to_fit: true
 
         layout: @GUI::VerticalBoxLayout {
-            margins: [6, 16, 6, 6]
+            margins: [16, 6, 6, 6]
         }
 
         @GUI::SpinBox {
@@ -66,7 +66,7 @@
         shrink_to_fit: true
 
         layout: @GUI::VerticalBoxLayout {
-            margins: [6, 16, 6, 6]
+            margins: [16, 6, 6, 6]
         }
 
         @GUI::ComboBox {
diff --git a/Userland/Applications/Welcome/WelcomeWindow.gml b/Userland/Applications/Welcome/WelcomeWindow.gml
index 8e38cf8401..bf3ef46c71 100644
--- a/Userland/Applications/Welcome/WelcomeWindow.gml
+++ b/Userland/Applications/Welcome/WelcomeWindow.gml
@@ -17,7 +17,7 @@
             min_width: 340
             min_height: 160
             layout: @GUI::HorizontalBoxLayout {
-                margins: [0, 0, 16, 0]
+                margins: [0, 16, 0, 0]
             }
 
             @GUI::Widget {
diff --git a/Userland/Demos/WidgetGallery/GalleryGML/BasicsTab.gml b/Userland/Demos/WidgetGallery/GalleryGML/BasicsTab.gml
index 0d3bcf245d..77ead7ffb5 100644
--- a/Userland/Demos/WidgetGallery/GalleryGML/BasicsTab.gml
+++ b/Userland/Demos/WidgetGallery/GalleryGML/BasicsTab.gml
@@ -20,7 +20,7 @@
                 shadow: "Sunken"
                 thickness: 1
                 layout: @GUI::VerticalBoxLayout {
-                    margins: [4, 3, 4, 3]
+                    margins: [3, 4, 3, 4]
                 }
 
                 @GUI::Label {
@@ -37,7 +37,7 @@
 
             @GUI::Widget {
                 layout: @GUI::VerticalBoxLayout {
-                    margins: [4, 0, 4, 0]
+                    margins: [0, 4, 0, 4]
                 }
 
                 @GUI::Label {
@@ -85,7 +85,7 @@
     @GUI::Widget {
         fixed_height: 125
         layout: @GUI::VerticalBoxLayout {
-            margins: [8, 3, 8, 3]
+            margins: [3, 8, 3, 8]
         }
 
         @GUI::Widget {
diff --git a/Userland/Demos/WidgetGallery/GalleryGML/SlidersTab.gml b/Userland/Demos/WidgetGallery/GalleryGML/SlidersTab.gml
index 982c4ca660..cd02de5986 100644
--- a/Userland/Demos/WidgetGallery/GalleryGML/SlidersTab.gml
+++ b/Userland/Demos/WidgetGallery/GalleryGML/SlidersTab.gml
@@ -36,7 +36,7 @@
     @GUI::Widget {
         fixed_height: 88
         layout: @GUI::VerticalBoxLayout {
-            margins: [8, 0, 8, 0]
+            margins: [0, 8, 0, 8]
         }
 
         @GUI::Widget {
diff --git a/Userland/DevTools/HackStudio/Debugger/EvaluateExpressionDialog.cpp b/Userland/DevTools/HackStudio/Debugger/EvaluateExpressionDialog.cpp
index b0ec0e7f33..49adb190bf 100644
--- a/Userland/DevTools/HackStudio/Debugger/EvaluateExpressionDialog.cpp
+++ b/Userland/DevTools/HackStudio/Debugger/EvaluateExpressionDialog.cpp
@@ -77,7 +77,7 @@ void EvaluateExpressionDialog::build(Window* parent_window)
     auto& button_container_inner = button_container_outer.add<GUI::Widget>();
     button_container_inner.set_layout<GUI::HorizontalBoxLayout>();
     button_container_inner.layout()->set_spacing(6);
-    button_container_inner.layout()->set_margins({ 4, 4, 0, 4 });
+    button_container_inner.layout()->set_margins({ 4, 0, 4, 4 });
     button_container_inner.layout()->add_spacer();
 
     m_evaluate_button = button_container_inner.add<GUI::Button>();
diff --git a/Userland/DevTools/HackStudio/EditorWrapper.cpp b/Userland/DevTools/HackStudio/EditorWrapper.cpp
index 0a010f8bee..924be3a92f 100644
--- a/Userland/DevTools/HackStudio/EditorWrapper.cpp
+++ b/Userland/DevTools/HackStudio/EditorWrapper.cpp
@@ -24,7 +24,7 @@ EditorWrapper::EditorWrapper()
     label_wrapper.set_fixed_height(14);
     label_wrapper.set_fill_with_background_color(true);
     label_wrapper.set_layout<GUI::HorizontalBoxLayout>();
-    label_wrapper.layout()->set_margins({ 2, 0, 2, 0 });
+    label_wrapper.layout()->set_margins({ 0, 2, 0, 2 });
 
     m_filename_label = label_wrapper.add<GUI::Label>("(Untitled)");
     m_filename_label->set_text_alignment(Gfx::TextAlignment::CenterLeft);
diff --git a/Userland/DevTools/HackStudio/HackStudioWidget.cpp b/Userland/DevTools/HackStudio/HackStudioWidget.cpp
index a06b07cc9f..d77bc7c207 100644
--- a/Userland/DevTools/HackStudio/HackStudioWidget.cpp
+++ b/Userland/DevTools/HackStudio/HackStudioWidget.cpp
@@ -107,7 +107,7 @@ HackStudioWidget::HackStudioWidget(const String& path_to_project)
 
     m_editors_splitter = m_right_hand_stack->add<GUI::VerticalSplitter>();
     m_editors_splitter->layout()->set_spacing(5);
-    m_editors_splitter->layout()->set_margins({ 0, 3, 0, 0 });
+    m_editors_splitter->layout()->set_margins({ 3, 0, 0, 0 });
     add_new_editor(*m_editors_splitter);
 
     m_switch_to_next_editor = create_switch_to_next_editor_action();
diff --git a/Userland/DevTools/Profiler/main.cpp b/Userland/DevTools/Profiler/main.cpp
index e3de2f2bcc..b563541be6 100644
--- a/Userland/DevTools/Profiler/main.cpp
+++ b/Userland/DevTools/Profiler/main.cpp
@@ -262,7 +262,7 @@ static bool prompt_to_stop_profiling(pid_t pid, const String& process_name)
     auto& widget = window->set_main_widget<GUI::Widget>();
     widget.set_fill_with_background_color(true);
     auto& layout = widget.set_layout<GUI::VerticalBoxLayout>();
-    layout.set_margins(GUI::Margins(0, 0, 0, 16));
+    layout.set_margins({ 0, 0, 16, 0 });
 
     auto& timer_label = widget.add<GUI::Label>("...");
     Core::ElapsedTimer clock;
diff --git a/Userland/Games/GameOfLife/main.cpp b/Userland/Games/GameOfLife/main.cpp
index e24660a70d..9bc8705f11 100644
--- a/Userland/Games/GameOfLife/main.cpp
+++ b/Userland/Games/GameOfLife/main.cpp
@@ -40,7 +40,7 @@ int main(int argc, char** argv)
     main_widget.set_fill_with_background_color(true);
 
     auto& main_toolbar = *main_widget.find_descendant_of_type_named<GUI::Toolbar>("toolbar");
-    main_toolbar.layout()->set_margins({ 6, 0, 6, 0 });
+    main_toolbar.layout()->set_margins({ 0, 6, 0, 6 });
 
     auto& board_widget_container = *main_widget.find_descendant_of_type_named<GUI::Widget>("board_widget_container");
     auto& board_layout = board_widget_container.set_layout<GUI::VerticalBoxLayout>();
diff --git a/Userland/Libraries/LibGUI/AboutDialog.cpp b/Userland/Libraries/LibGUI/AboutDialog.cpp
index 09d01d45b0..ef2c855e5b 100644
--- a/Userland/Libraries/LibGUI/AboutDialog.cpp
+++ b/Userland/Libraries/LibGUI/AboutDialog.cpp
@@ -43,7 +43,7 @@ AboutDialog::AboutDialog(const StringView& name, const Gfx::Bitmap* icon, Window
     auto& left_container = content_container.add<Widget>();
     left_container.set_fixed_width(60);
     left_container.set_layout<VerticalBoxLayout>();
-    left_container.layout()->set_margins({ 0, 12, 0, 0 });
+    left_container.layout()->set_margins({ 12, 0, 0, 0 });
 
     if (icon) {
         auto& icon_wrapper = left_container.add<Widget>();
@@ -56,13 +56,13 @@ AboutDialog::AboutDialog(const StringView& name, const Gfx::Bitmap* icon, Window
 
     auto& right_container = content_container.add<Widget>();
     right_container.set_layout<VerticalBoxLayout>();
-    right_container.layout()->set_margins({ 0, 12, 4, 4 });
+    right_container.layout()->set_margins({ 12, 4, 4, 0 });
 
     auto make_label = [&](const StringView& text, bool bold = false) {
         auto& label = right_container.add<Label>(text);
         label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
         label.set_fixed_height(14);
-        label.set_content_margins({ 0, 0, 8, 0 });
+        label.set_content_margins({ 0, 8, 0, 0 });
         if (bold)
             label.set_font(Gfx::FontDatabase::default_font().bold_variant());
     };
diff --git a/Userland/Libraries/LibGUI/ColorPicker.cpp b/Userland/Libraries/LibGUI/ColorPicker.cpp
index 5eba8fdab9..04d50af117 100644
--- a/Userland/Libraries/LibGUI/ColorPicker.cpp
+++ b/Userland/Libraries/LibGUI/ColorPicker.cpp
@@ -240,7 +240,7 @@ void ColorPicker::build_ui_custom(Widget& root_container)
     // Right Side
     auto& vertical_container = horizontal_container.add<Widget>();
     vertical_container.set_layout<VerticalBoxLayout>();
-    vertical_container.layout()->set_margins({ 8, 0, 0, 0 });
+    vertical_container.layout()->set_margins({ 0, 0, 0, 8 });
     vertical_container.set_fixed_width(128);
 
     auto& preview_container = vertical_container.add<Frame>();
diff --git a/Userland/Libraries/LibGUI/FilePickerDialog.gml b/Userland/Libraries/LibGUI/FilePickerDialog.gml
index 965d2a625a..aaa8c25bec 100644
--- a/Userland/Libraries/LibGUI/FilePickerDialog.gml
+++ b/Userland/Libraries/LibGUI/FilePickerDialog.gml
@@ -9,7 +9,7 @@
     @GUI::Widget {
         shrink_to_fit: true
         layout: @GUI::VerticalBoxLayout {
-            margins: [4, 0, 4, 0]
+            margins: [0, 4, 0, 4]
         }
 
         @GUI::Label {
diff --git a/Userland/Libraries/LibGUI/InputBox.cpp b/Userland/Libraries/LibGUI/InputBox.cpp
index 0c804e4537..0996bb3568 100644
--- a/Userland/Libraries/LibGUI/InputBox.cpp
+++ b/Userland/Libraries/LibGUI/InputBox.cpp
@@ -83,7 +83,7 @@ void InputBox::build(InputType input_type)
     auto& button_container_inner = button_container_outer.add<Widget>();
     button_container_inner.set_layout<HorizontalBoxLayout>();
     button_container_inner.layout()->set_spacing(6);
-    button_container_inner.layout()->set_margins({ 4, 4, 0, 4 });
+    button_container_inner.layout()->set_margins({ 4, 0, 4, 4 });
     button_container_inner.layout()->add_spacer();
 
     m_ok_button = button_container_inner.add<Button>();
diff --git a/Userland/Libraries/LibGUI/Margins.h b/Userland/Libraries/LibGUI/Margins.h
index 96078cb0d5..7e10fd5239 100644
--- a/Userland/Libraries/LibGUI/Margins.h
+++ b/Userland/Libraries/LibGUI/Margins.h
@@ -11,26 +11,26 @@ namespace GUI {
 class Margins {
 public:
     Margins() { }
-    Margins(int left, int top, int right, int bottom)
-        : m_left(left)
-        , m_top(top)
+    Margins(int top, int right, int bottom, int left)
+        : m_top(top)
         , m_right(right)
         , m_bottom(bottom)
+        , m_left(left)
     {
     }
     ~Margins() { }
 
     bool is_null() const { return !m_left && !m_top && !m_right && !m_bottom; }
 
-    int left() const { return m_left; }
     int top() const { return m_top; }
     int right() const { return m_right; }
     int bottom() const { return m_bottom; }
+    int left() const { return m_left; }
 
-    void set_left(int value) { m_left = value; }
     void set_top(int value) { m_top = value; }
     void set_right(int value) { m_right = value; }
     void set_bottom(int value) { m_bottom = value; }
+    void set_left(int value) { m_left = value; }
 
     bool operator==(const Margins& other) const
     {
@@ -41,10 +41,10 @@ public:
     }
 
 private:
-    int m_left { 0 };
     int m_top { 0 };
     int m_right { 0 };
     int m_bottom { 0 };
+    int m_left { 0 };
 };
 
 }
diff --git a/Userland/Libraries/LibGUI/MessageBox.cpp b/Userland/Libraries/LibGUI/MessageBox.cpp
index 3bd562015a..20d28450a2 100644
--- a/Userland/Libraries/LibGUI/MessageBox.cpp
+++ b/Userland/Libraries/LibGUI/MessageBox.cpp
@@ -102,7 +102,7 @@ void MessageBox::build()
         if (icon()) {
             icon_width = icon()->width();
             if (icon_width > 0)
-                message_container.layout()->set_margins({ 8, 0, 0, 0 });
+                message_container.layout()->set_margins({ 0, 0, 0, 8 });
         }
     }
 
diff --git a/Userland/Libraries/LibGUI/ProcessChooser.cpp b/Userland/Libraries/LibGUI/ProcessChooser.cpp
index cc72a9dfa1..0333431c8a 100644
--- a/Userland/Libraries/LibGUI/ProcessChooser.cpp
+++ b/Userland/Libraries/LibGUI/ProcessChooser.cpp
@@ -48,8 +48,8 @@ ProcessChooser::ProcessChooser(const StringView& window_title, const StringView&
     auto& button_container = widget.add<GUI::Widget>();
     button_container.set_fixed_height(30);
     button_container.set_layout<GUI::HorizontalBoxLayout>();
-    button_container.set_content_margins({ 0, 4, 0, 4 });
-    button_container.layout()->set_margins({ 0, 0, 4, 0 });
+    button_container.set_content_margins({ 4, 0, 4, 0 });
+    button_container.layout()->set_margins({ 0, 4, 0, 0 });
     button_container.layout()->add_spacer();
 
     auto& select_button = button_container.add<GUI::Button>(m_button_label);
diff --git a/Userland/Libraries/LibGUI/Wizards/WizardDialog.cpp b/Userland/Libraries/LibGUI/Wizards/WizardDialog.cpp
index be4acdff42..5f8ae88bd2 100644
--- a/Userland/Libraries/LibGUI/Wizards/WizardDialog.cpp
+++ b/Userland/Libraries/LibGUI/Wizards/WizardDialog.cpp
@@ -41,7 +41,7 @@ WizardDialog::WizardDialog(Window* parent_window)
     auto& nav_container_widget = main_widget.add<Widget>();
     nav_container_widget.set_layout<HorizontalBoxLayout>();
     nav_container_widget.set_fixed_height(42);
-    nav_container_widget.layout()->set_margins({ 10, 0, 10, 0 });
+    nav_container_widget.layout()->set_margins({ 0, 10, 0, 10 });
     nav_container_widget.layout()->set_spacing(0);
     nav_container_widget.layout()->add_spacer();
 
diff --git a/Userland/Libraries/LibGUI/Wizards/WizardPage.cpp b/Userland/Libraries/LibGUI/Wizards/WizardPage.cpp
index 5ab950bf83..9f9286c68e 100644
--- a/Userland/Libraries/LibGUI/Wizards/WizardPage.cpp
+++ b/Userland/Libraries/LibGUI/Wizards/WizardPage.cpp
@@ -26,7 +26,7 @@ WizardPage::WizardPage(const String& title_text, const String& subtitle_text)
     header_widget.set_fixed_height(58);
 
     header_widget.set_layout<VerticalBoxLayout>();
-    header_widget.layout()->set_margins({ 30, 15, 30, 0 });
+    header_widget.layout()->set_margins({ 15, 30, 0, 30 });
     m_title_label = header_widget.add<Label>(title_text);
     m_title_label->set_font(Gfx::FontDatabase::default_font().bold_variant());
     m_title_label->set_fixed_height(m_title_label->font().glyph_height() + 2);
diff --git a/Userland/Services/Taskbar/ClockWidget.cpp b/Userland/Services/Taskbar/ClockWidget.cpp
index 287c02636f..5844bd828b 100644
--- a/Userland/Services/Taskbar/ClockWidget.cpp
+++ b/Userland/Services/Taskbar/ClockWidget.cpp
@@ -47,7 +47,7 @@ ClockWidget::ClockWidget()
     auto& root_container = m_calendar_window->set_main_widget<GUI::Label>();
     root_container.set_fill_with_background_color(true);
     root_container.set_layout<GUI::VerticalBoxLayout>();
-    root_container.layout()->set_margins({ 0, 2, 0, 2 });
+    root_container.layout()->set_margins({ 2, 0, 2, 0 });
     root_container.layout()->set_spacing(0);
     root_container.set_frame_thickness(2);
     root_container.set_frame_shape(Gfx::FrameShape::Container);
@@ -56,7 +56,7 @@ ClockWidget::ClockWidget()
     auto& navigation_container = root_container.add<GUI::Widget>();
     navigation_container.set_fixed_height(24);
     navigation_container.set_layout<GUI::HorizontalBoxLayout>();
-    navigation_container.layout()->set_margins({ 2, 2, 3, 2 });
+    navigation_container.layout()->set_margins({ 2, 3, 2, 2 });
 
     m_prev_date = navigation_container.add<GUI::Button>();
     m_prev_date->set_button_style(Gfx::ButtonStyle::Coolbar);
@@ -120,7 +120,7 @@ ClockWidget::ClockWidget()
 
     auto& calendar_container = root_container.add<GUI::Widget>();
     calendar_container.set_layout<GUI::HorizontalBoxLayout>();
-    calendar_container.layout()->set_margins({ 4, 4, 5, 4 });
+    calendar_container.layout()->set_margins({ 4, 5, 4, 4 });
 
     m_calendar = calendar_container.add<GUI::Calendar>();
     m_selected_calendar_button->set_text(m_calendar->formatted_date());
@@ -139,7 +139,7 @@ ClockWidget::ClockWidget()
     auto& settings_container = root_container.add<GUI::Widget>();
     settings_container.set_fixed_height(24);
     settings_container.set_layout<GUI::HorizontalBoxLayout>();
-    settings_container.layout()->set_margins({ 2, 2, 3, 2 });
+    settings_container.layout()->set_margins({ 2, 3, 2, 2 });
     settings_container.layout()->add_spacer();
 
     m_jump_to_button = settings_container.add<GUI::Button>();
diff --git a/Userland/Services/Taskbar/ShutdownDialog.cpp b/Userland/Services/Taskbar/ShutdownDialog.cpp
index 7f7ef31c90..b32694af33 100644
--- a/Userland/Services/Taskbar/ShutdownDialog.cpp
+++ b/Userland/Services/Taskbar/ShutdownDialog.cpp
@@ -56,7 +56,7 @@ ShutdownDialog::ShutdownDialog()
     auto& left_container = content_container.add<GUI::Widget>();
     left_container.set_fixed_width(60);
     left_container.set_layout<GUI::VerticalBoxLayout>();
-    left_container.layout()->set_margins({ 0, 12, 0, 0 });
+    left_container.layout()->set_margins({ 12, 0, 0, 0 });
 
     auto& icon_wrapper = left_container.add<GUI::Widget>();
     icon_wrapper.set_fixed_size(32, 48);
@@ -67,7 +67,7 @@ ShutdownDialog::ShutdownDialog()
 
     auto& right_container = content_container.add<GUI::Widget>();
     right_container.set_layout<GUI::VerticalBoxLayout>();
-    right_container.layout()->set_margins({ 0, 12, 12, 8 });
+    right_container.layout()->set_margins({ 12, 12, 8, 0 });
 
     auto& label = right_container.add<GUI::Label>("What would you like to do?");
     label.set_text_alignment(Gfx::TextAlignment::CenterLeft);
diff --git a/Userland/Services/Taskbar/TaskbarWindow.cpp b/Userland/Services/Taskbar/TaskbarWindow.cpp
index 4c1a808757..1795cc8589 100644
--- a/Userland/Services/Taskbar/TaskbarWindow.cpp
+++ b/Userland/Services/Taskbar/TaskbarWindow.cpp
@@ -62,7 +62,7 @@ TaskbarWindow::TaskbarWindow(NonnullRefPtr<GUI::Menu> start_menu)
 
     auto& main_widget = set_main_widget<TaskbarWidget>();
     main_widget.set_layout<GUI::HorizontalBoxLayout>();
-    main_widget.layout()->set_margins({ 3, 3, 1, 1 });
+    main_widget.layout()->set_margins({ 3, 1, 1, 3 });
 
     m_start_button = GUI::Button::construct("Serenity");
     set_start_button_font(Gfx::FontDatabase::default_font().bold_variant());