Update app.py

app.py

@@ -1,6 +1,29 @@
 import streamlit as st
 from langchain_helper import get_qa_chain, create_vector_db
 
+titleimg = "bg.jpeg"
+
+#impliment background formating
+def set_bg_hack(main_bg):
+    # set bg name
+    main_bg_ext = "jpeg"
+    st.markdown(
+        f"""
+         <style>
+         .stApp {{
+             background: url(data:image/{main_bg_ext};base64,{base64.b64encode(open(main_bg, "rb").read()).decode()});
+             background-repeat: no-repeat;
+             background-position: right 50% bottom 95% ;
+             background-size: contain;
+             background-attachment: scroll;
+         }}
+         </style>
+         """,
+        unsafe_allow_html=True,
+    )
+
+set_bg_hack(titleimg)
+
 st.title("Codebasics Q&A 🌱")
 btn = st.button("Create Knowledgebase")
 if btn: