--- a/browser/themes/shared/incontentprefs/preferences.inc.css
+++ b/browser/themes/shared/incontentprefs/preferences.inc.css
@@ -126,18 +126,18 @@ button > hbox > label {
 
 /* Subcategory title */
 
 /**
  * The first subcategory title for each category should not have margin-top.
  */
 
 .subcategory:not([hidden]) ~ .subcategory {
-  margin-top: 32px;
-  padding-top: 15px;
+  margin-top: 16px;
+  padding-top: 16px;
   border-top: 1px solid rgba(12, 12, 13, 0.15);
 }
 
 /* Category List */
 
 #categories > scrollbox {
   overflow: visible !important; /* Cancel scrollbar and do not clip overflow content when window size goes very small */
 }