diff --git a/gtk-3.0/gtk-dark.css b/gtk-3.0/gtk-dark.css
index 59d2d8a..55bd15d 100755
--- a/gtk-3.0/gtk-dark.css
+++ b/gtk-3.0/gtk-dark.css
@@ -4609,7 +4609,7 @@ decoration {
     box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(12, 14, 21, 0.6); }
   .solid-csd decoration {
     border-radius: 0;
-    margin: 4px;
+    margin: 0px;
     background-color: #1A1E21;
     border: solid 1px rgba(14, 16, 23, 0.82);
     box-shadow: none; }
diff --git a/gtk-3.0/gtk.css b/gtk-3.0/gtk.css
index 59d2d8a..55bd15d 100755
--- a/gtk-3.0/gtk.css
+++ b/gtk-3.0/gtk.css
@@ -4609,7 +4609,7 @@ decoration {
     box-shadow: 0 1px 2px rgba(0, 0, 0, 0.2), 0 0 0 1px rgba(12, 14, 21, 0.6); }
   .solid-csd decoration {
     border-radius: 0;
-    margin: 4px;
+    margin: 0px;
     background-color: #1A1E21;
     border: solid 1px rgba(14, 16, 23, 0.82);
     box-shadow: none; }
diff --git a/gtk-3.0/widgets/_windows.scss b/gtk-3.0/widgets/_windows.scss
index eb48b7f..5760870 100644
--- a/gtk-3.0/widgets/_windows.scss
+++ b/gtk-3.0/widgets/_windows.scss
@@ -58,7 +58,7 @@ decoration {
 
   .solid-csd & {
     border-radius: 0;
-    margin: 4px;
+    margin: 0px;
     background-color: $backdrop_bg_color;
     border: solid 1px $backdrop_borders_color;
     box-shadow: none;