Hello ! How can I set my dashboard to the Light Mode by default ? Currently, it looks like the “Use system setting” is setting by default. May you advise please ? 
Thanks in advance !
Hi @miranarkt, welcome to the Streamlit community!! 
I would suggest reading our documentation on Theming. To use the light theme by default, create a .streamlit/config.toml file in your app folder with the following lines:
[theme]
base="light"
Once you create a .streamlit/ folder containing the above config.toml file, restart your app. Your app should now be using your custom (light) theme. To verify, click on the hamburger menu on the top-right corner of your app and click on Settings. Under the Theme section, you should see “Custom Theme” as the selected option:
Does this help?
Happy Streamlit-ing! 
Snehan
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