diff --git a/web/src/styles.css b/web/src/styles.css
index 7b8fc28..c3f22aa 100644
--- a/web/src/styles.css
+++ b/web/src/styles.css
@@ -2648,6 +2648,7 @@ input.leaf-rename:focus {
 }
 
 .st-tool-arg {
+  flex: 1 1 0;
   color: var(--muted);
   overflow: hidden;
   text-overflow: ellipsis;
@@ -2893,7 +2894,11 @@ input.leaf-rename:focus {
 }
 
 .st-tool-group-title {
-  flex: 0 0 auto;
+  flex: 1 1 0;
+  min-width: 0;
+  overflow: hidden;
+  text-overflow: ellipsis;
+  white-space: nowrap;
   font-weight: 500;
 }