--- a/devtools/client/themes/animation.css
+++ b/devtools/client/themes/animation.css
@@ -295,17 +295,17 @@
 .keyframes-progress-tick-item.right {
   border-right: var(--tick-line-style);
 }
 
 /* Animated Property List */
 .animated-property-list {
   flex: 1;
   list-style-type: none;
-  margin-top: 0;
+  margin: 0;
   overflow-y: auto;
   padding: 0;
 }
 
 /* Animated Property Item */
 .animated-property-item {
   display: flex;
   height: 30px;