refined the front bar

app.py

@@ -680,9 +680,9 @@ content = """
 <h3 style="color: white; text-align: center">
     <a href="https://drive.google.com/file/d/1lbEpg8Se1ugTtkjreD8eXIg7qrplhWan/view" style="color: gr.themes.colors.red; text-decoration: none;">Link To Paper</a> | 
     <a href="https://github.com/Syudu41/ASTRA---Gates-Project" style="color: #1E90FF; text-decoration: none;">GitHub: Astra Demo</a> | 
-    <a href="https://sites.google.com/view/astra-research/home" style="color: #1E90FF; text-decoration: none;">Project Page</a>
-    <a href="https://path-analysis.vercel.app/" style="color: #1E90FF; text-decoration: none;">Path Analysis Tool</a>
-    <a href="https://github.com/CarnegieLearningWeb/PathAnalysis" style="color: #1E90FF; text-decoration: none;">Github: Path Analysis Tool</a>
+    <a href="https://sites.google.com/view/astra-research/home" style="color: #1E90FF; text-decoration: none;">Project Page</a> | 
+    <a href="https://path-analysis.vercel.app/" style="color: #1E90FF; text-decoration: none;">Path Analysis Tool</a> | 
+    <a href="https://github.com/CarnegieLearningWeb/PathAnalysis" style="color: #1E90FF; text-decoration: none;">Github: Path Analysis Tool</a> | 
     
     
 </h3>