Rigorous trainer selection
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
- Triple validation: technical, pedagogical, sectoral.
- Minimum rating 4.8/5 over the last 12 sessions.
Describe your need, get a tailored program and a pre-filled quote in 3 min. A 100% free call with an advisor.
Founded by passionate learning and innovation experts, Learni's mission is to make professional training accessible to everyone, anywhere in the world. Our team operates in major hubs — London, New York, Boston — and internationally, to support talents and organizations in upskilling.
Don't let this gap widen
Without SASS, your CSS code explodes with repetitive lines, multiplying bugs by 3 according to Stack Overflow, you lose 40% of time on maintenance for large projects, like 20h/week for an average frontend.
Competitors with SASS deliver 2x faster, clients frustrated by delays, stagnant revenues at -15% for vanilla CSS devs.
Avoid obsolescence: 85% of modern frameworks require preprocessors, without mastery, miss out on freelance jobs at 50€/h.
Invest 28h to save hundreds of hours annually.
Install SASS via npm, configure your development environment, create your first variables to manage colors and sizes, practice nesting to embed selectors like an HTML tree, test on a simple mockup site, produce a compiled CSS file ready for deployment, experience the power of more readable code from the first exercises.
Design mixins for responsive buttons and flexbox grids, parameterize them with arguments for maximum flexibility, integrate mathematical functions for size calculations, apply to real cases like a dynamic header, debug with watch mode, generate reusable component variants, boost your productivity by avoiding CSS repetition.
Structure your project into partial folders like _variables.scss and _mixins.scss, master @import and @use for modularity, manage inheritance with @extend to optimize final CSS, code a complete e-commerce layout, integrate media queries via mixins, validate multi-file compilation, build a solid foundation for complex projects.
Compile with Sass CLI and configure autoprefixer for browser compatibility, integrate into a Gulp or Webpack workflow, apply best practices like the 7-1 pattern, complete a final project on a real site, optimize for performance with source maps, receive your ready-to-use deliverable, leave with ready-to-use templates to accelerate future developments.
The Training SASS - Master variables and mixins for optimized CSS program is delivered onsite or remote (blended-learning, e-learning, virtual classroom, remote presence). At Learni, an industry-certified training organization, every program is built to maximize skills acquisition regardless of the chosen format.
The trainer alternates between demonstrative, interrogative and active methods (through hands-on labs and/or scenarios). This pedagogical approach guarantees concrete learning that's immediately applicable at work.
For the smooth delivery of the Training SASS - Master variables and mixins for optimized CSS program, the following equipment is required:
For intra-company training on a site outside Learni, the client commits to providing all required teaching materials (computers, internet, etc.) for the smooth delivery of the program in line with the prerequisites in the communicated program.
Assessment of skills acquired during the Training SASS - Master variables and mixins for optimized CSS program is performed through:
Learni is committed to making its programs accessible. All our programs are accessible to people with disabilities. Our teams are available to adapt the pedagogical methods to your specific needs. Please contact us for any adjustment request.
Registration is possible up to 48 business hours before the start of training. All our programs are eligible for corporate training budgets and employer-funded plans.
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
« cool, j'ai appris des trucs »
« j'etais perdu au debut mais Ramy Saharaoui m'a pas laché, il a pris le temps. merci vraiment »
« la formation dev etait intense mais grave bien. merci Anthony Khelil »
« 😊👍 »
« bien 👍 »
« Allan Busi t'es au top, continue comme ça. formation géniale »
Before, during, after: we frame the brief, introduce the trainer, tailor the content and measure impact. You stay in control from kickoff to wrap-up.
Each trainer is validated on three criteria: hands-on field expertise, proven pedagogy and alignment with your industry.
30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.
No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.
Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.
A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.
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Frameworks & BibliothèquesIndustry-certified30 minutes with a learning advisor. No commitment. No sales pitch dressed up as a demo.