update: css

app.py

@@ -60,21 +60,21 @@ def view_model(selected_models):
     return netron_html if netron_html else "<p>No valid models selected for visualization.</p>"
 
 custom_css = """
-.run_button {
+#run_button {
     background-color: purple !important;
     color: white !important;
     width: 120px !important;
     border-radius: 5px !important;
     font-size: 14px !important;
 }
-.custom-row {
+#custom-row {
     margin: 0 !important;
     padding: 0 !important;
     height: fit-content !important;
     display: flex !important;
     justify-content: center !important;
 }
-.highlighted-text {
+#highlighted-text {
     color: blue !important;
     font-size: 32px !important;
     font-weight: bold !important;