diff --git a/main.css b/main.css
index f6e8638..12c7589 100644
--- a/main.css
+++ b/main.css
@@ -323,7 +323,8 @@ body.viewtree {
 /* toolbar buttons */
 .toolbar { 
     /* display: inline-block;  */
-    flex: 0 0 20%
+    flex: 0 0 20%;
+    flex-grow: 1;
 } 
 
 .toolbar input {
@@ -651,4 +652,10 @@ div.scroll {
 
 .parens:empty {
     display: none;
-}
\ No newline at end of file
+}
+
+/* Nav bar */
+.file-name-tree-number {
+    justify-content: left;
+}
+