diff --git a/Menu.py b/Menu.py
index 7776201..3a4d9df 100644
--- a/Menu.py
+++ b/Menu.py
@@ -74,12 +74,10 @@ class Menu():
         self._clear();
         size = os.get_terminal_size();
         size_x = size.columns;
-        size_y = size.lines - 2;
-        preview = self._preview();
-        content_size, preview_size = utils.get_sizes(self.size,
-                                                     preview.count("\n") + 1,
-                                                     size_y,
-                                                     self.preview_ratio)
+        size_y = size.lines;
+        preview_size = int(self.preview_ratio * size_y);
+        content_size = size_y - preview_size
+        preview = self._preview(size_x, preview_size)
         min_y, max_y, display_pos = utils.render(self.cursor_pos,
                                                  0,
                                                  self.size,
@@ -100,15 +98,18 @@ class Menu():
             menu = menu + line;
         self._display_screen(menu + preview)
     
-    def _preview(self):
+    def _preview(self, size_x: int, size_y: int):
         if (len(self.preview_args) < self.cursor_pos):
-            return 
-        title = ""
-        if (self.preview_title_function != None):
+            return ("")
+        if (self.preview_body_function == None):
+            return ("");
+        if (self.preview_title_function == None):
+            title = "preview"
+        else:
             title = self.preview_title_function(self.preview_args[self.cursor_pos])
-        elif (self.preview_body_function != None):
-            body = self.preview_body_function(self.preview_args[self.cursor_pos])
-            return (title + "\n" + body);
+        body = self.preview_body_function(self.preview_args[self.cursor_pos])
+
+        return (utils.preview_formater(title, body, size_x, size_y));
 
 
     def _clear(self):
diff --git a/utils.py b/utils.py
index f98657c..0cc68f2 100644
--- a/utils.py
+++ b/utils.py
@@ -19,13 +19,11 @@ def render(pos: int, min: int, max: int, render_distance: int, elements: list):
         y = pos;
     return (start, stop, y);
 
-def get_sizes(size1: int, size2: int, total_size: int, aim_ratio: float):
-    if (size1 + size2 < total_size):
-        return (size1, size2);
-    if (size1 > total_size * aim_ratio):
-        size1 = total_size * aim_ratio;
-    if (size2 > total_size - size1):
-        size2 = total_size - size1;
-    size1 = int(size1);
-    size2 = int(size2)
-    return (size1, size2);
+def preview_formater(title: str, body: str, size_x: int, size_y: int):
+    out: str = "";
+    out += f"┌── {title} " + "─" * (size_x - 6 - len(title))  + "┐\n"
+    lines = body.split("\n");
+    for line in lines[:size_y - 2]:
+        out += f"│ {line[: size_x - 4]}" + " " * (size_x - 3 - len(line)) + "│\n"
+    out += "└" + "─" * (size_x - 2) + "┘\n"
+    return (out);