# CSS Proficiency Articles

Read the latest CSS Proficiency articles. Jobicy is your journal for the latest careers and workplace advice.

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#### Employee

[CV Help & Tips](https://jobicy.com/blog/category/cv.md) [Job Seeking](https://jobicy.com/blog/category/job-seeking.md) [Career Development](https://jobicy.com/blog/category/career-development.md) [Money & Legal](https://jobicy.com/blog/category/money-legal.md)

#### Recruiting

[Recruitment](https://jobicy.com/blog/category/recruitment.md) [Staff Retention](https://jobicy.com/blog/category/staff-retention.md) [Hiring Process](https://jobicy.com/blog/category/hiring-process.md) [![Cover 145403 1780468622](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2026/06/cover-145403-1780468622.jpg)](https://jobicy.com/tests/css-custom-properties-and-theming-skills-test.md) Jobicy Team  Share [CSS Custom Properties and Theming Skills Test](https://jobicy.com/tests/css-custom-properties-and-theming-skills-test.md)

This test evaluates your ability to use CSS custom properties (variables) for theming, dynamic updates, and maintainable stylesheets. It covers definition, scope, inheritance, fallbacks, and practical theming scenarios.

[![1 Min](https://jobicy.com/data/server-nyc0409/galaxy/mercury/2025/05/fe51102e-221.jpg)](https://jobicy.com/tests/css-basic.md) Jobicy Team  Share [CSS Basics Skills Certification Test](https://jobicy.com/tests/css-basic.md)

CSS (Cascading Style Sheets) is one of the three cornerstone languages of the web, together with HTML and JavaScript. It allows web developers to apply styles to pages, modifying the layout, typography, and colors of a page, with its fundamental building blocks of rules and declarations. This skill test will assess your knowledge and understanding of this language, including its basic syntax and more advanced selectors and properties.