diff --git a/src/main.py b/src/main.py
index 9a18d2e..bfa5e3c 100644
--- a/src/main.py
+++ b/src/main.py
@@ -34,7 +34,7 @@ def main() -> None:
         toc_tree = ttk.Treeview(frm, columns=columns, show="headings")
         toc_tree.heading("title", text="Title")
         toc_tree.heading("page", text="Page")
-        toc_tree.grid(column=0, row=1)
+        toc_tree.grid(column=0, row=0, rowspan=2, sticky="NS", padx=5, pady=5)
 
         for lvl, t, p in toc:
             toc_tree.insert("", tkinter.END, values=("  " * lvl + t, str(p)))
@@ -67,8 +67,8 @@ def main() -> None:
             CURRENT_PAGE -= 1
             load_page(CURRENT_PAGE)
 
-        ttk.Button(frm, text="Previous", command=previous_page).grid(column=1, row=1)
-        ttk.Button(frm, text="Next", command=next_page).grid(column=3, row=1)
+        ttk.Button(frm, text="Previous", command=previous_page).grid(column=1, row=1, sticky="NS", padx=5, pady=5)
+        ttk.Button(frm, text="Next", command=next_page).grid(column=3, row=1, sticky="NS", padx=5, pady=5)
 
         load_page(CURRENT_PAGE)