diff --git a/gtk-3.0/apps/granite-widgets.css b/gtk-3.0/apps/granite-widgets.css
index e943858..2506711 100644
--- a/gtk-3.0/apps/granite-widgets.css
+++ b/gtk-3.0/apps/granite-widgets.css
@@ -24,7 +24,7 @@
 .dynamic-notebook .notebook tab {
     padding: 3px;
     border-color: shade(@theme_bg_color, 0.85);
-    border-radius: 2px;
+    border-radius: 0;
     background-color: shade(@theme_bg_color, 0.9);
     background-image: none;
 }
@@ -37,7 +37,6 @@
     border-width: 1px;
     border-color: shade(@theme_bg_color, 0.8);
     border-top-color: @theme_selected_bg_color;
-    border-radius: 0;
     background-color: shade(@theme_bg_color, 1.08);
     color: @theme_fg_color;
 }
diff --git a/gtk-3.0/gtk-widgets.css b/gtk-3.0/gtk-widgets.css
index a6d869d..8a9fcdb 100644
--- a/gtk-3.0/gtk-widgets.css
+++ b/gtk-3.0/gtk-widgets.css
@@ -147,6 +147,7 @@ GtkClutterOffscreen {
                 inset 0 -1px alpha(@dark_shadow, 0.05);
 }
 
+/* disable inset shadow */
 .button:active:insensitive,
 .primary-toolbar .button:active:insensitive,
 .toolbar .button:active:insensitive,
@@ -529,8 +530,8 @@ GtkIconView.view.cell:selected:focus {
     border-color: shade(@theme_selected_bg_color, 0.9);
     border-radius: 2px;
     background-image: -gtk-gradient(linear, left top, left bottom,
-                                     from (@theme_selected_bg_color),
-                                     to (@theme_selected_bg_color));
+                                    from (@theme_selected_bg_color),
+                                    to (@theme_selected_bg_color));
 
     color: @theme_selected_fg_color;
 }
@@ -586,16 +587,16 @@ GtkInfoBar {
 
 .info .button.close:hover {
     background-image: linear-gradient(to bottom,
-				      alpha(white, 0.3),
-				      alpha(white, 0.2) 30%,
-				      alpha(black, 0.02));
+                                      alpha(white, 0.3),
+                                      alpha(white, 0.2) 30%,
+                                      alpha(black, 0.02));
 }
 
 .info .button.close:active {
     color: @info_fg_color;
     background-image: linear-gradient(to bottom,
-				      alpha(black, 0.1),
-				      transparent);
+                                      alpha(black, 0.1),
+                                      transparent);
 }
 
 .warning {
@@ -613,16 +614,16 @@ GtkInfoBar {
 
 .warning .button.close:hover {
     background-image: linear-gradient(to bottom,
-				      alpha(white, 0.3),
-				      alpha(white, 0.2) 30%,
-				      alpha(black, 0.02));
+                                      alpha(white, 0.3),
+                                      alpha(white, 0.2) 30%,
+                                      alpha(black, 0.02));
 }
 
 .warning .button.close:active {
     color: @warning_fg_color;
     background-image: linear-gradient(to bottom,
-				      alpha(black, 0.1),
-				      transparent);
+                                      alpha(black, 0.1),
+                                      transparent);
 }
 
 .question {
@@ -640,16 +641,16 @@ GtkInfoBar {
 
 .question .button.close:hover {
     background-image: linear-gradient(to bottom,
-				      alpha(white, 0.3),
-				      alpha(white, 0.2) 30%,
-				      alpha(black, 0.02));
+                                      alpha(white, 0.3),
+                                      alpha(white, 0.2) 30%,
+                                      alpha(black, 0.02));
 }
 
 .question .button.close:active {
     color: @question_fg_color;
     background-image: linear-gradient(to bottom,
-				      alpha(black, 0.1),
-				      transparent);
+                                      alpha(black, 0.1),
+                                      transparent);
 }
 
 .error {
@@ -667,16 +668,16 @@ GtkInfoBar {
 
 .error .button.close:hover {
     background-image: linear-gradient(to bottom,
-				      alpha(white, 0.3),
-				      alpha(white, 0.2) 30%,
-				      alpha(black, 0.02));
+                                      alpha(white, 0.3),
+                                      alpha(white, 0.2) 30%,
+                                      alpha(black, 0.02));
 }
 
 .error .button.close:active {
     color: @error_fg_color;
     background-image: linear-gradient(to bottom,
-				      alpha(black, 0.1),
-				      transparent);
+                                      alpha(black, 0.1),
+                                      transparent);
 }
 
 /*******************
@@ -963,7 +964,7 @@ GtkModelMenuItem GtkBox GtkImage {
     border-width: 1px;
     border-style: solid;
     border-color: shade(@theme_base_color, 0.7);
-    border-radius: 2px;
+    border-radius: 0;
     background-color: @theme_base_color;
     background-image: none;
     background-clip: border-box;
@@ -977,14 +978,13 @@ GtkModelMenuItem GtkBox GtkImage {
 .notebook tab {
     padding: 3px;
     border-color: shade(@theme_base_color, 0.75);
-    border-radius: 2px;
+    border-radius: 0;
     background-color: shade(@theme_base_color, 0.85);
     background-image: none;
 }
 
 .notebook tab:active {
     border-color: shade(@theme_base_color, 0.7);
-    border-radius: 0;
     background-color: @theme_base_color;
     background-image: none;
 }