uspto
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USPTO DS Theme

screenshot of USPTO DS Theme
bootstrap
scss

The USPTO's Design System Theme (usptostrap), an open source design library based on the U.S. Web Design System (USWDS) and Bootstrap 4.

GithubDemo
bootstrap
Bootstrap

Bootstrap is the most popular CSS Framework for developing responsive and mobile-first websites.

scss
SCSS

SCSS is a preprocessor scripting language that extends the capabilities of CSS by adding features such as variables, nesting, and mixins. It allows developers to write more efficient and maintainable CSS code, and helps to streamline the development process by reducing repetition and increasing reusability.