Global CSS

This is the section that uses the global css class `green-background` written in   `src/resource/css/global.css`   Any CSS served or included from `resources` folder does not change the className to hash! This one may include any library css such as `date-picker` or any general purpose css from `resources` folder.

Local CSS

This is the section that uses the local css class `gray` written in   `src/resource/components/local-styles.css`   Any CSS not served from `resources` folder does change the className to hash like _1CHr-. This one may include any library css such as `date-picker` or any general purpose css from `resources` folder.