Sass, Less and Stylus, extends CSS by adding variables, nesting mixins, and other features. It's an excellent solution for organizing huge and complex stylesheets. - Source: dev.to / 7 days ago

Attractions is a UI kit for Svelte that includes 49 components and a collection of helper functions. It uses Sass for styling. Although the Attractions kit seems promising and the components look really nice, it's not very actively supported right now and its future is uncertain. - Source: dev.to / 2 months ago

We took our time evaluating different options and ultimately landed on a focused set of technologies: Next.js, TypeScript, Redux Toolkit, SASS, and Axios. This combination offers a powerful and manageable foundation for our project, avoiding the pitfalls of an overly complex tech stack. - Source: dev.to / about 2 months ago

Traditionally CSS lacked features such as variables, nesting, mixins, and functions. This was frustrating for Developers as it often led to CSS quickly becoming complex and cumbersome. In an attempt to make code easier and less repetitive CSS pre-processors were born. You would write CSS in the format the pre-processor understood and, at build time, you'd have some nice CSS. The most common pre-processors these... - Source: dev.to / 4 months ago

CSS stands for Cascading Style Sheets, and is a scripting language used to style web pages. SCSS stands for Syntactically Awesome Style Sheet, and is a superset of CSS. You can think of SCSS as the more advanced version of CSS, which comes with several features that CSS does not support, such as the SCSS nested syntax, as shown below. - Source: dev.to / 5 months ago

Here is the link to the maker's website. https://eduspiresolutions.org/e-hallpass/. Source: almost 2 years ago

Not that it's specifically built for your use but it might work https://eduspiresolutions.org/e-hallpass/. Source: almost 3 years ago