Bug 1416106 - Part 13: Remove extra margin-bottom. r=gl

MozReview-Commit-ID: 4NjZ9HKegX1

--HG--
extra : rebase_source : 428734890d2888d36977a69f5374d57ca68f6147

devtools/client/themes/animation.css

@@ -300,7 +300,7 @@
 .animated-property-list {
   flex: 1;
   list-style-type: none;
-  margin-top: 0;
+  margin: 0;
   overflow-y: auto;
   padding: 0;
 }