diff --git a/src/main.py b/src/main.py
index 04ce909..0900671 100755
--- a/src/main.py
+++ b/src/main.py
@@ -1,6 +1,6 @@
 #!/bin/env -S python
 
-from matplotlib import pyplot
+from matplotlib import pyplot, patheffects
 from matplotlib.axes import Axes
 from adjustText import adjust_text
 
@@ -8,20 +8,19 @@ from adjustText import adjust_text
 from data import (pay, release)
 
 
-def center(data: list[tuple[str, list[float]]], padding: float = 0):
+def center(data: list[tuple[str, list[float]]]):
     for axis_index in range(len(data[0][1])):
         min_ = min(data, key=lambda e: e[1][axis_index])[1][axis_index]
         max_ = max(data, key=lambda e: e[1][axis_index])[1][axis_index]
         delta = max_ - min_
-        desired_bias = (1 - padding)
-        desired_delta = 2 * desired_bias
         for (_, values) in data:
             original = values[axis_index]
             value = (original - min_) / delta
-            value = (value * desired_delta) - desired_bias
+            value = (value * 2) - 1
             values[axis_index] = value
 
 
+# from some image, online
 to_rank = {
     'c#',
     'assembly',
@@ -76,7 +75,7 @@ ranked = list[tuple[str, list[float]]](
     for label in to_rank
     if label in pay and label in release
 )
-center(ranked, 0.1)
+center(ranked)
 
 
 print("\nunused", [l for l in pay.keys() if not l in map(lambda e: e[0], ranked)])
@@ -87,10 +86,19 @@ print("\nranked", ranked)
 
 (figure, axes) = pyplot.subplots()
 assert type(axes) is Axes
-axes.plot([-1, 1], [0, 0])
-axes.plot([0, 0], [-1, 1])
-texts = [axes.text(p, r, l) for (l, [r, p]) in ranked]
+axes.axhline(y=0, color='k')
+axes.axvline(x=0, color='k')
+axes.set_xlim(-1, 1)
+axes.set_ylim(-1, 1)
+axes.axis("off")
+drop_white = patheffects.withStroke(linewidth=3,foreground="white")
+texts = [axes.text(p, r, l, path_effects=[drop_white]) for (l, [r, p]) in ranked]
 adjust_text(texts, only_move={'points':'y', 'texts':'y'})
 
 
+axes.text(1.1, 0, 'connait\nle sexe', path_effects=[drop_white])
+axes.text(-1.3, 0, 'ne connait\npas le sexe', path_effects=[drop_white])
+axes.text(0, 1.1, 'a le\nsexe', path_effects=[drop_white])
+axes.text(0, -1.2, 'n\'a pas\nle sexe', path_effects=[drop_white])
+
 pyplot.show()