Devtools Animations: Show subtree animations for a given node

Source/devtools/front_end/elements/elementsPanel.css

Index: Source/devtools/front_end/elements/elementsPanel.css
diff --git a/Source/devtools/front_end/elements/elementsPanel.css b/Source/devtools/front_end/elements/elementsPanel.css
index a0f86156726a464486ef9cfdf1a96d61939497e9..67188ed8f6fcff86c90c2cf8f993ccf3b1f395f3 100644
--- a/Source/devtools/front_end/elements/elementsPanel.css
+++ b/Source/devtools/front_end/elements/elementsPanel.css
@@ -695,3 +695,19 @@ li.child-editing .styles-clipboard-only {
 .swatch-inner:hover {
     border: 1px solid rgba(64, 64, 64, 0.8);
 }
+
+.animationsSettings {
+    padding: 4px;
+}
+
+.animationSectionBody {
+    display: none;
+}
+
+.animationSectionBody.expanded {
+    display: block;
+}
+
+.animationSectionBody .section {
+    border-bottom: 1px solid rgb(191, 191, 191);
+}