diff --git a/tests/testgtk.c b/tests/testgtk.c
index 093ce7ee82..c140400e68 100644
--- a/tests/testgtk.c
+++ b/tests/testgtk.c
@@ -10074,7 +10074,8 @@ main (int argc, char *argv[])
   gtk_css_provider_load_from_data (memory_provider,
                                    "#testgtk-version-label {\n"
                                    "  color: #f00;\n"
-                                   "  font: Sans 18;\n"
+                                   "  font-family: Sans;\n"
+                                   "  font-size: 18px;\n"
                                    "}",
                                    -1, NULL);
   gtk_style_context_add_provider_for_screen (screen, GTK_STYLE_PROVIDER (memory_provider),
diff --git a/tests/testgtk.css b/tests/testgtk.css
index f5e8694f12..e05f830cde 100644
--- a/tests/testgtk.css
+++ b/tests/testgtk.css
@@ -18,25 +18,26 @@
     -GtkArrow-arrow-scaling: 1.0;
     -GtkEntry-invisible-char: 10046;
 
-    font: Sans 12;
+    font-family: Sans;
+    font-size: 12px;
 
     -Gtest-foo: 47;
     -Gtest-bar: 47;
 }
 
-GtkLabel:selected {
+label:selected {
     background-color: gray;
 }
 
-GtkLabel:prelight {
+label:hover {
     background-color: mix (#a0a0a0, rgb (75%, 200, 0%), 0.9);
 }
 
 /* override testgtk2, introduce the green color in the button list */
-#main_window GtkScrolledWindow GtkButton:prelight {
+#main_window scrolledwindow button:hover {
     background-color: rgb (0%, 75%, 0);
 }
 
-GtkEntry {
-    gtk-key-bindings: entry-bindings;
+entry {
+    -gtk-key-bindings: entry-bindings;
 }
diff --git a/tests/testgtk2.css b/tests/testgtk2.css
index a51ec2a100..49e6c093e1 100644
--- a/tests/testgtk2.css
+++ b/tests/testgtk2.css
@@ -1,9 +1,10 @@
 /* this file gets included from testgtk.css */
 
-#main_window GtkButton {
-    font: Monospace 10;
+#main_window button {
+    font-family: Monospace;
+    font-size: 10px;
 }
 
-#main_window GtkButton:hover {
+#main_window button:hover {
     background-color: rgba(0%, 0%, 75%, 0.1);
 }