diff --git a/webviz_config/_build_webviz.py b/webviz_config/_build_webviz.py
index ba66aa5f..f1fa96be 100644
--- a/webviz_config/_build_webviz.py
+++ b/webviz_config/_build_webviz.py
@@ -36,6 +36,9 @@ def build_webviz(args):
     for asset in installed_themes[args.theme].assets:
         shutil.copy(asset, os.path.join(build_directory, "assets"))
 
+    with open(os.path.join(build_directory, "theme_settings.json"), "w") as filehandle:
+        filehandle.write(installed_themes[args.theme].to_json())
+
     try:
         if args.portable:
             print(
diff --git a/webviz_config/_theme_class.py b/webviz_config/_theme_class.py
index 22dcd280..d6aac12a 100644
--- a/webviz_config/_theme_class.py
+++ b/webviz_config/_theme_class.py
@@ -1,4 +1,5 @@
 import copy
+import json
 
 
 class WebvizConfigTheme:
@@ -46,6 +47,13 @@ def __init__(self, theme_name):
         self._assets = []
         self._plotly_theme = {}
 
+    def to_json(self):
+        return json.dumps(vars(self), indent=4, sort_keys=True)
+
+    def from_json(self, json_string):
+        for key, value in json.loads(json_string).items():
+            setattr(self, key, value)
+
     def adjust_csp(self, dictionary, append=True):
         """If the default CSP settings needs to be changed, this function can
         be called by giving in a dictionary with key-value pairs which should
diff --git a/webviz_config/_write_script.py b/webviz_config/_write_script.py
index 58088b86..d571513a 100644
--- a/webviz_config/_write_script.py
+++ b/webviz_config/_write_script.py
@@ -5,7 +5,6 @@
 
 import jinja2
 
-from .themes import installed_themes
 from ._config_parser import ConfigParser
 
 
@@ -18,11 +17,7 @@ def write_script(args, build_directory, template_filename, output_filename):
     configuration["portable"] = args.portable is not None
     configuration["config_folder"] = repr(pathlib.Path(args.yaml_file).resolve().parent)
 
-    theme = installed_themes[args.theme]
-    configuration["csp"] = theme.csp
-    configuration["feature_policy"] = theme.feature_policy
-    configuration["external_stylesheets"] = theme.external_stylesheets
-    configuration["theme"] = args.theme
+    configuration["theme_name"] = args.theme
 
     configuration["author"] = getpass.getuser()
     configuration["current_date"] = datetime.date.today().strftime("%Y-%m-%d")
diff --git a/webviz_config/templates/copy_data_template.py.jinja2 b/webviz_config/templates/copy_data_template.py.jinja2
index 1bf61d92..6f0ad6c6 100644
--- a/webviz_config/templates/copy_data_template.py.jinja2
+++ b/webviz_config/templates/copy_data_template.py.jinja2
@@ -21,6 +21,9 @@ import {{ module[0] }} as {{ module[1] }}
 {%- endif %}
 {% endfor %}
 
+theme = webviz_config.WebvizConfigTheme("{{ theme_name }}")
+theme.from_json((Path(__file__).resolve().parent / "theme_settings.json").read_text())
+
 app = dash.Dash()
 app.config.suppress_callback_exceptions = True
 
@@ -28,7 +31,7 @@ app.webviz_settings = {
     "shared_settings": webviz_config.SHARED_SETTINGS_SUBSCRIPTIONS.transformed_settings(
         {{ shared_settings }}, {{ config_folder }}, False
     ),
-    "theme": installed_themes["{{ theme }}"],
+    "theme": theme,
 }
 
 CACHE.init_app(app.server)
diff --git a/webviz_config/templates/webviz_template.py.jinja2 b/webviz_config/templates/webviz_template.py.jinja2
index 7bf06729..bf8b9af1 100644
--- a/webviz_config/templates/webviz_template.py.jinja2
+++ b/webviz_config/templates/webviz_template.py.jinja2
@@ -53,7 +53,10 @@ logging.config.dictConfig(
     }
 )
 
-app = dash.Dash(__name__, external_stylesheets={{ external_stylesheets }})
+theme = webviz_config.WebvizConfigTheme("{{ theme_name }}")
+theme.from_json((Path(__file__).resolve().parent / "theme_settings.json").read_text())
+
+app = dash.Dash(__name__, external_stylesheets=theme.external_stylesheets)
 server = app.server
 
 app.title = "{{ title }}"
@@ -64,15 +67,12 @@ app.webviz_settings = {
         {{ shared_settings }}, {{ config_folder }}, {{ portable }}
     ),
     "portable": {{ portable }},
-    "theme": installed_themes["{{ theme }}"],
+    "theme": theme,
 }
 
 CACHE.init_app(server)
 
-CSP = {{ csp }}
-FEATURE_POLICY = {{ feature_policy }}
-
-Talisman(server, content_security_policy=CSP, feature_policy=FEATURE_POLICY)
+Talisman(server, content_security_policy=theme.csp, feature_policy=theme.feature_policy)
 
 WEBVIZ_STORAGE.use_storage = {{portable}}
 WEBVIZ_STORAGE.storage_folder = path.join(