Update app.py

app.py

@@ -8,6 +8,27 @@ PASS_CODE_ver = "555"
 
 st.sidebar.title("Navigation")
 page = st.sidebar.radio("Go to", ["Home", "About us", "Guidelines & Standarts used"])
+st.markdown(
+    """
+    <style>
+    /* This changes the background color of the sidebar */
+    [data-testid="stSidebar"] {
+        background-color: #f0f0f5;  /* Change this to the color you prefer */
+    }
+
+    /* This changes the text color in the sidebar */
+    [data-testid="stSidebar"] .css-145kmo2 {
+        color: #333333;  /* Change this to your desired text color */
+    }
+
+    /* This changes the header text color in the sidebar */
+    [data-testid="stSidebar"] h1 {
+        color: #ff6347;  /* Example: Tomato color for headers */
+    }
+    </style>
+    """,
+    unsafe_allow_html=True
+)
 
 if page == "Home":
     if 'page_redirect' in st.session_state: