diff --git a/gtk/gtkstylecontext.c b/gtk/gtkstylecontext.c
index 13d9375460..c3e70f741c 100644
--- a/gtk/gtkstylecontext.c
+++ b/gtk/gtkstylecontext.c
@@ -3296,10 +3296,10 @@ gtk_style_context_get_border (GtkStyleContext *context,
 
   style = gtk_style_context_lookup_style_for_state (context, state);
 
-  top = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_WIDTH), 100);
-  right = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH), 100);
-  bottom = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH), 100);
-  left = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH), 100);
+  top = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_TOP_WIDTH), 100));
+  right = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_RIGHT_WIDTH), 100));
+  bottom = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_BOTTOM_WIDTH), 100));
+  left = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_BORDER_LEFT_WIDTH), 100));
 
   border->top = top;
   border->left = left;
@@ -3333,10 +3333,10 @@ gtk_style_context_get_padding (GtkStyleContext *context,
 
   style = gtk_style_context_lookup_style_for_state (context, state);
 
-  top = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_PADDING_TOP), 100);
-  right = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_PADDING_RIGHT), 100);
-  bottom = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_PADDING_BOTTOM), 100);
-  left = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_PADDING_LEFT), 100);
+  top = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_PADDING_TOP), 100));
+  right = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_PADDING_RIGHT), 100));
+  bottom = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_PADDING_BOTTOM), 100));
+  left = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_PADDING_LEFT), 100));
 
   padding->top = top;
   padding->left = left;
@@ -3370,10 +3370,10 @@ gtk_style_context_get_margin (GtkStyleContext *context,
 
   style = gtk_style_context_lookup_style_for_state (context, state);
 
-  top = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_MARGIN_TOP), 100);
-  right = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_MARGIN_RIGHT), 100);
-  bottom = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_MARGIN_BOTTOM), 100);
-  left = _gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_MARGIN_LEFT), 100);
+  top = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_MARGIN_TOP), 100));
+  right = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_MARGIN_RIGHT), 100));
+  bottom = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_MARGIN_BOTTOM), 100));
+  left = round (_gtk_css_number_value_get (gtk_css_style_get_value (style, GTK_CSS_PROPERTY_MARGIN_LEFT), 100));
 
   margin->top = top;
   margin->left = left;