diff --git a/app.py b/app.py
index 9df099e..7b9562e 100644
--- a/app.py
+++ b/app.py
@@ -23,5 +23,5 @@
 app.layout = layout
 
 if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=8050, debug=True)
+    app.run(host="0.0.0.0", port=8050, debug=False)
 
diff --git a/assets/custom.css b/assets/custom.css
index b849ed8..aa9832c 100644
--- a/assets/custom.css
+++ b/assets/custom.css
@@ -30,11 +30,10 @@
 }
 
 /* Removed any margin between consecutive .btn-secondary buttons */
-
 .hover-button {
     border: 4px solid transparent;
-    /* Keeps border width consistent */
-    transition: border-color 0.2s ease-in-out, outline-width 0.2s ease-in-out;
+    /* Keeps border width consistent if needed for layout */
+    transition: box-shadow 0.2s ease-in-out;
     box-sizing: border-box;
     /* Prevents padding/border from shifting layout */
 }
@@ -42,8 +41,6 @@
 /* Applies when hovered or when the button is marked as selected */
 .hover-button:hover,
 .hover-button.selected {
-    border-color: black !important;
-    /* Changes border color */
-    outline: 3px solid black;
-    /* Adds extra thickness */
+    box-shadow: 0px 6px 12px rgba(0, 0, 0, 0.5);
+    /* A stronger shadow effect */
 }
\ No newline at end of file
diff --git a/src/callbacks/explanation_callbacks.py b/src/callbacks/explanation_callbacks.py
index 621939f..1875f5c 100644
--- a/src/callbacks/explanation_callbacks.py
+++ b/src/callbacks/explanation_callbacks.py
@@ -64,7 +64,7 @@ def determine_hex_color(arg):
             style={
                 "margin": "5px",
                 "backgroundColor": determine_hex_color(arg),  # Set background color
-                # "border": "1px solid gray",  # Border matches color
+                "border": "1px solid gray",  # Border matches color
                 "color": "black",  # Text color
             },
         )