diff --git a/client/app/styles/main.less b/client/app/styles/main.less
index 50fbfef11..27198b429 100644
--- a/client/app/styles/main.less
+++ b/client/app/styles/main.less
@@ -43,7 +43,7 @@
 @node-highlight-fill-opacity: 0.1;
 @node-highlight-stroke-opacity: 0.4;
 @node-highlight-stroke-width: 1px;
-@node-border-stroke-width: 3px;
+@node-border-stroke-width: 2.5px;
 @node-pseudo-opacity: 0.8;
 @edge-highlight-opacity: 0.1;
 @edge-opacity-blurred: 0.2;