# Customize your theme and configure your app

Source: https://docs.streamlit.io/develop/tutorials/configuration-and-theming

**[Use external font files and fallbacks to customize your font](https://docs.streamlit.io/develop/tutorials/configuration-and-theming/external-fonts)**: Make a new font available to your app. This tutorial uses externally hosted font files to define an alternative font and declares a built-in fallback.

**[Use static font files to customize your font](https://docs.streamlit.io/develop/tutorials/configuration-and-theming/static-fonts)**: Make a new font available to your app. This tutorial uses static font files to define an alternative font.

**[Use variable font files to customize your font](https://docs.streamlit.io/develop/tutorials/configuration-and-theming/variable-fonts)**: Make a new font available to your app. This tutorial uses variable font files to define an alternative font.