diff --git a/monkey/monkey_island/cc/ui/src/styles/Checkbox.scss b/monkey/monkey_island/cc/ui/src/styles/Checkbox.scss
index 6b1f06712..149881edc 100644
--- a/monkey/monkey_island/cc/ui/src/styles/Checkbox.scss
+++ b/monkey/monkey_island/cc/ui/src/styles/Checkbox.scss
@@ -125,11 +125,15 @@ $black: #000000;
 }
 
 
-.rt-tr-group {
+.attack-matrix .rt-tr-group {
   border-top: 3px solid white !important;
   border-bottom: none !important;
 }
 
+.attack-matrix .rt-tr-group:last-child {
+  margin-bottom: 3px !important;
+}
+
 .icon-checked {
   color: $green
 }