Fix param:type rendering in v3 docs

Author: Sayam753

docs/source/_static/main.css

@@ -0,0 +1,5 @@
+.classifier:before {
+    font-style: normal;
+    margin: 0.5em;
+    content: ":";
+}

docs/source/conf.py

@@ -332,6 +332,7 @@
 def setup(app):
     app.add_css_file("https://cdn.jsdelivr.net/npm/[email protected]/dist/semantic.min.css")
     app.add_css_file("default.css")
+    app.add_css_file("main.css")
     dir_root = Path(__file__).parent
     for directory in html_static_path:
         os.makedirs(str(dir_root / directory), exist_ok=True)