Refactor app.py and css_html_js.py to improve UI and functionality

app.py

@@ -148,7 +148,13 @@ def init_detailed_results():
 """)
 
 
-demo = gr.Blocks(css=custom_css, css_external=CSS_EXTERNAL)
+HEAD = "\n".join(
+    [
+        f'<link rel="stylesheet" href="{css}">' for css in CSS_EXTERNAL
+    ]
+)
+
+demo = gr.Blocks(css=custom_css, head = HEAD)
 with demo:
     gr.HTML(TITLE)
     gr.Markdown(INTRODUCTION_TEXT, elem_classes="markdown-text")

src/about.py

@@ -43,7 +43,7 @@ def get_link(item): #name, icon, url):
     elif not icon or icon == "":
         icon_tag = ""
     else:
-        raise ValueError("Invalid icon format")
+        icon_tag = icon
     return f'{icon_tag} <a href="{url}" target="_blank">{name}</a>'
 
 with open(os.path.join(os.path.dirname(__file__), "links.yaml"), "r", encoding="utf-8") as f: