Update app.py

app.py

@@ -22,6 +22,32 @@ st.subheader("Open AI Doc-Chat Assistant: Life Enhancing with AI!")
 css_file = "main.css"
 with open(css_file) as f:
     st.markdown("<style>{}</style>".format(f.read()), unsafe_allow_html=True)
+
+st.sidebar.markdown(
+    """
+    <style>
+    .blue-underline {
+        text-decoration: bold;
+        color: blue;
+    }
+    </style>
+    """,
+    unsafe_allow_html=True
+)
+
+st.markdown(
+    """
+    <style>
+        [data-testid=stSidebar] [data-testid=stImage]{
+            text-align: center;
+            display: block;
+            margin-left: auto;
+            margin-right: auto;
+            width: 50%;
+        }
+    </style>
+    """, unsafe_allow_html=True
+)   
     
 HUGGINGFACEHUB_API_TOKEN = os.getenv("HUGGINGFACEHUB_API_TOKEN")