diff --git a/gtk/gtkcssstaticstyle.c b/gtk/gtkcssstaticstyle.c
index 6bcaa967bd..9ca869395a 100644
--- a/gtk/gtkcssstaticstyle.c
+++ b/gtk/gtkcssstaticstyle.c
@@ -39,6 +39,7 @@
 #include "gtkstyleproviderprivate.h"
 #include "gtkcssdimensionvalueprivate.h"
 
+
 static void gtk_css_static_style_compute_value (GtkCssStaticStyle    *style,
                                                 guint                 id,
                                                 GtkCssValue          *specified,
@@ -174,7 +175,7 @@ G_DEFINE_TYPE (GtkCssStaticStyle, gtk_css_static_style, GTK_TYPE_CSS_STYLE)
 
 static GtkCssSection *
 gtk_css_static_style_get_section (GtkCssStyle *style,
-                                    guint        id)
+                                  guint        id)
 {
   GtkCssStaticStyle *sstyle = GTK_CSS_STATIC_STYLE (style);
 
diff --git a/gtk/gtkcssstyle.c b/gtk/gtkcssstyle.c
index 2da1e31b88..79e59fa517 100644
--- a/gtk/gtkcssstyle.c
+++ b/gtk/gtkcssstyle.c
@@ -860,10 +860,9 @@ GtkCssValues *gtk_css_values_ref (GtkCssValues *values)
 static void
 gtk_css_values_free (GtkCssValues *values)
 {
-  int i;
   GtkCssValue **v = GET_VALUES (values);
 
-  for (i = 0; i < N_VALUES (values->type); i++)
+  for (int i = 0; i < N_VALUES (values->type); i++)
     {
       if (v[i])
         gtk_css_value_unref (v[i]);
@@ -888,14 +887,13 @@ gtk_css_values_copy (GtkCssValues *values)
 {
   GtkCssValues *copy;
   GtkCssValue **v, **v2;
-  int i;
 
-  copy = gtk_css_values_new (TYPE_INDEX(values->type));
+  copy = gtk_css_values_new (TYPE_INDEX (values->type));
 
   v = GET_VALUES (values);
   v2 = GET_VALUES (copy);
 
-  for (i = 0; i < N_VALUES (values->type); i++)
+  for (int i = 0; i < N_VALUES (values->type); i++)
     {
       if (v[i])
         v2[i] = gtk_css_value_ref (v[i]);
@@ -909,7 +907,7 @@ gtk_css_values_new (GtkCssValuesType type)
 {
   GtkCssValues *values;
 
-  values = (GtkCssValues *)g_malloc0 (VALUES_SIZE(type));
+  values = (GtkCssValues *) g_malloc0 (VALUES_SIZE (type));
   values->ref_count = 1;
   values->type = type;
 
diff --git a/gtk/gtkcssstyleprivate.h b/gtk/gtkcssstyleprivate.h
index 6b7f7eacdf..32076e1b88 100644
--- a/gtk/gtkcssstyleprivate.h
+++ b/gtk/gtkcssstyleprivate.h
@@ -81,6 +81,7 @@ struct _GtkCssValues {
 
 struct _GtkCssCoreValues {
   GtkCssValues base;
+
   GtkCssValue *color;
   GtkCssValue *dpi;
   GtkCssValue *font_size;
@@ -89,6 +90,7 @@ struct _GtkCssCoreValues {
 
 struct _GtkCssBackgroundValues {
   GtkCssValues base;
+
   GtkCssValue *background_color;
   GtkCssValue *box_shadow;
   GtkCssValue *background_clip;
@@ -102,6 +104,7 @@ struct _GtkCssBackgroundValues {
 
 struct _GtkCssBorderValues {
   GtkCssValues base;
+
   GtkCssValue *border_top_style;
   GtkCssValue *border_top_width;
   GtkCssValue *border_left_style;
@@ -126,6 +129,7 @@ struct _GtkCssBorderValues {
 
 struct _GtkCssIconValues {
   GtkCssValues base;
+
   GtkCssValue *icon_size;
   GtkCssValue *icon_shadow;
   GtkCssValue *icon_style;
@@ -134,6 +138,7 @@ struct _GtkCssIconValues {
 
 struct _GtkCssOutlineValues {
   GtkCssValues base;
+
   GtkCssValue *outline_style;
   GtkCssValue *outline_width;
   GtkCssValue *outline_offset;
@@ -142,6 +147,7 @@ struct _GtkCssOutlineValues {
 
 struct _GtkCssFontValues {
   GtkCssValues base;
+
   GtkCssValue *font_family;
   GtkCssValue *font_style;
   GtkCssValue *font_weight;
@@ -157,6 +163,7 @@ struct _GtkCssFontValues {
 
 struct _GtkCssFontVariantValues {
   GtkCssValues base;
+
   GtkCssValue *text_decoration_line;
   GtkCssValue *text_decoration_color; // NULL if currentColor
   GtkCssValue *text_decoration_style;
@@ -172,6 +179,7 @@ struct _GtkCssFontVariantValues {
 
 struct _GtkCssAnimationValues {
   GtkCssValues base;
+
   GtkCssValue *animation_name;
   GtkCssValue *animation_duration;
   GtkCssValue *animation_timing_function;
@@ -184,6 +192,7 @@ struct _GtkCssAnimationValues {
 
 struct _GtkCssTransitionValues {
   GtkCssValues base;
+
   GtkCssValue *transition_property;
   GtkCssValue *transition_duration;
   GtkCssValue *transition_timing_function;
@@ -192,6 +201,7 @@ struct _GtkCssTransitionValues {
 
 struct _GtkCssSizeValues {
   GtkCssValues base;
+
   GtkCssValue *margin_top;
   GtkCssValue *margin_left;
   GtkCssValue *margin_bottom;
@@ -207,6 +217,7 @@ struct _GtkCssSizeValues {
 
 struct _GtkCssOtherValues {
   GtkCssValues base;
+
   GtkCssValue *icon_source;
   GtkCssValue *icon_transform;
   GtkCssValue *icon_filter;