diff --git a/src/packages/bracket-matcher/stylesheets/bracket-matcher.css b/src/packages/bracket-matcher/stylesheets/bracket-matcher.css
index 41572786d..f598fdf0d 100644
--- a/src/packages/bracket-matcher/stylesheets/bracket-matcher.css
+++ b/src/packages/bracket-matcher/stylesheets/bracket-matcher.css
@@ -1,4 +1,12 @@
-.bracket-matcher {
-  position: absolute;
-  border-bottom: 1px solid #f8de7e;
+@-webkit-keyframes bracketmatch {
+  from { border-bottom-color: transparent; }
+  to { border-bottom-color: lime; }
+}
+
+.bracket-matcher {
+  border-bottom: 1px dotted lime;
+  position: absolute;
+  -webkit-animation-name: bracketmatch;
+  -webkit-animation-duration: 0.15s;
+  -webkit-animation-iteration-count: 2;
 }