diff --git a/common/gtk-3.0/3.20/sass/_common.scss b/common/gtk-3.0/3.20/sass/_common.scss
index 29eada3..f34eadb 100644
--- a/common/gtk-3.0/3.20/sass/_common.scss
+++ b/common/gtk-3.0/3.20/sass/_common.scss
@@ -2335,10 +2335,10 @@ progressbar {
 levelbar {
   block {
     min-width: 1px;
-    min-height: 20px;
+    min-height: 1px;
   }
   &.vertical block {
-    min-width: 32px;
+    min-width: 1px;
     min-height: 1px;
   }