Update pages/gpt_v1.py

pages/gpt_v1.py

@@ -19,7 +19,7 @@ page_bg_img = f"""
 <style>
 [data-testid="stAppViewContainer"] > .main {{
 background-image: url("https://i.pinimg.com/originals/9f/57/bd/9f57bd45d33eb906fdb3d7ffe22e2058.png");
-background-size: 100%;
+background-size: 70%;
 background-position: top left;
 background-repeat: no-repeat;
 background-attachment: local;