Update app.py

app.py

@@ -68,10 +68,11 @@ def predict(pre_op_sphere, pre_op_cylinder, pre_op_axis):
     return f"Predicted Laser Prescription:\nSphere: {predicted_sphere:.2f}\nCylinder: {predicted_cylinder:.2f}\nAxis: {predicted_axis:.2f}"
 
 css = """
-:root {
-    --bg: #131517;
-    --bg-dark: #131517;
+<style>
+body {
+    background-color: #131517 !important;
 }
+</style>
 """
 
 inputs = [