Update app.py

app.py

@@ -87,7 +87,7 @@ for name, repo_name in name2repo:
                 "showarrow": False,
             })
 
-    fig.add_hline(y=-0.5, line_width=3, line_dash="dash", line_color="grey")
-    fig.add_hline(y=2.5, line_width=3, line_dash="dash", line_color="grey")
+    fig.add_hline(y=-0.5, line_width=1, line_color="grey")
+    fig.add_hline(y=2.5, line_width=1, line_color="grey")
     
     st.plotly_chart(fig, use_container_width=True)