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Founded by passionate advocates of learning and innovation, Learni set out to make professional training accessible to everyone, everywhere in the world. Our team works in the largest cities such as Paris, Lyon, Marseille, and internationally, to support talents and organizations in their skills development.
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30 free minutes with a training advisor — no commitment.
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No-Code / Low-Code training in Leeds in November 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
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Professional Training training in New York in September 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Artificial Intelligence training in San Francisco in October 2026 with Learni. Certified, expert trainers, eligible for employer funding. Free quote.
Don't let this gap widen
Without Sass, your CSS remains verbose and repetitive, tripling maintenance errors according to Stack Overflow.
Lose 40% of development time on complex projects, like responsive sites where media queries pile up without logic.
Risk costly production bugs, with 25% of front-end devs stuck on plain CSS, per CSS-Tricks surveys.
Your code bloats to 2x the size, slowing mobile performance and SEO.
While competitors code 2x faster with Sass, stagnate professionally and miss freelance opportunities with +30% salary.
Invest 14 hours to halve your CSS time starting tomorrow.
The Training Sass - Optimize CSS with Advanced Variables and Mixins training is delivered in-person or remotely (blended-learning, e-learning, virtual classroom, remote in-person). At Learni, a Qualiopi-certified training organization, each program is designed to maximize skills acquisition, regardless of the training mode chosen.
The trainer alternates between demonstrative, interrogative, and active methods (through practical exercises and/or real-world scenarios). This pedagogical approach ensures concrete and directly applicable learning in the workplace.
To ensure the quality of the Training Sass - Optimize CSS with Advanced Variables and Mixins training, Learni provides the following teaching resources:
For in-house training at a location external to Learni, the client ensures and commits to having all necessary teaching materials (IT equipment, internet connection...) for the proper conduct of the training action in accordance with the prerequisites indicated in the communicated training program.
The assessment of skills acquired during the Training Sass - Optimize CSS with Advanced Variables and Mixins training is carried out through:
Learni is committed to the accessibility of its professional training programs. All our training programs are accessible to people with disabilities. Our teams are available to adapt teaching methods to your specific needs. Do not hesitate to contact us for any accommodation request.
Learni training programs are available for inter-company and intra-company settings, both in-person and remote. Registration is possible up to 48 business hours before the start of training. Our programs are eligible for OPCO, Pôle emploi, and FNE-Formation funding. Contact us to discuss your training project and funding possibilities.
Dive into Sass from the morning by installing Dart Sass and configuring VS Code with dedicated extensions, create your first variables to centralize colors and sizes, chain with nesting to intuitively embed selectors, then build basic mixins during exercises on a real e-commerce site, test compilation to optimized CSS, leave with a first functional deliverable that already boosts your productivity.
Move to custom functions for advanced calculations like adaptive rems, master @extend to reuse code without massive duplication, organize your partials and imports in a complete responsive project, apply loops and conditions on a real client portfolio via Sass CLI, integrate into a Gulp or Webpack workflow, end with a practical challenge and a compiled deliverable ready to deploy, transform your CSS habits today.
Target audience
Front-end developers, web integrators, web designers upskilling on Sass.
Prerequisites
Mastery of HTML5, advanced CSS3, use of an editor like VS Code.
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