Update app.py

app.py

@@ -1,38 +1,39 @@
 
 import streamlit as st
 
+st.markdown(
+"""
+    <style>
+
+        .css-1d391kg {
+            width: 250px;  
+        }
+        .css-1lcbm7u {
+            max-width: calc(100% - 300px); 
+        }
+    </style>
+    """,
+    unsafe_allow_html=True
+)
+
 st.sidebar.title("Navigation")
-page = st.sidebar.radio("Go to", ["Home", "Project Developer", "Verification Body"])
+page = st.sidebar.radio("Go to", ["Home", "About us", "Guidelines & Standarts used"])
 
 if page == "Home":
     st.title("Hi! Welcome to the NBS Project Submission Platform")
     st.write("Please use the sidebar to navigate between options.")
-    st.button( "Project Developer",
-        key=None,
-        help=None,
-        on_click=None,  
-        args=None, 
-        kwargs=None, 
-        type="secondary", 
-        icon=None,
-        disabled=False,
-        use_container_width=False
-)
-        
-    )
-
- st.button( "Verification Entity",
-        key=None,
-        help=None,
-        on_click=None,  
-        args=None, 
-        kwargs=None, 
-        type="secondary", 
-        icon=None,
-        disabled=False,
-        use_container_width=False
-)
-      
+
+
+left, right = st.columns(2)
+if left.button("Project Developer", use_container_width=True):
+    import developer
+    developer.run()
+
+if right.button("Verification Entity", use_container_width=True):
+    st.write("Verification Entity button clicked.")
+
+
+
 
 
 # about page