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Training SASS - Master variables and mixins for optimized CSS

Course created on July 27, 2026Updated on October 5, 2026

On quote$4,620

4 days
Onsite
10 people max.

Request a quote See the program

Ref: KNK747

10 people max.

On quote$4,620

In-company rate: on quotefrom $7,865 for the whole team

On-site and certification exam on quote

4 days

Onsite

Don't let this gap widen

Why this program matters

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.

Trusted by — schools, companies and industrial groups

25,719 programs · 25 countries

Every program built with a dedicated engineer

Companies: Aptar, ArcelorMittal, Equans, EDF, Ubisoft and Microsoft.

Learning objectives

Discover the fundamentals of SASS and its installation
Create variables to centralize CSS styles
Master nesting to structure code efficiently
Develop reusable mixins and custom functions
Import modules and organize a SASS project
Compile SASS into optimized CSS with tools like Sass CLI

Program

Module 1Introduction to SASS: installation and variables (SCSS syntax)

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.

Module 2Mixins and functions: advanced style reuse in SASS

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.

Module 3Nesting and modules: scalable SASS architecture

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.

Module 4Compilation and best practices: deploying SASS in production

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.

Evaluation method

Daily interactive quizzes on key concepts
Graded practical exercises with immediate feedback
Final personal project evaluated by the trainer
Training certificate issued to all

Learning method

Interactive pedagogy with 70% hands-on practice
Real-world inspired case studies
Open-source tools: VS Code, Sass CLI, Live Sass Compiler

Methods, materials and delivery

The Training SASS - Master variables and mixins for optimized CSS program is delivered onsite or remote (blended-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.

Equipment required

For the smooth delivery of the Training SASS - Master variables and mixins for optimized CSS program, the following equipment is required:

Mac or PC computers, high-speed fiber internet, whiteboard or flipchart, projector or interactive touch screen (for remote sessions)
Training environments installed on workstations or accessible online
Course materials, hands-on exercises and complementary resources
Post-training access to materials and educational resources

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.

* contact us for remote delivery feasibility** ratio varies depending on the program

Skills assessment methods

Assessment of skills acquired during the Training SASS - Master variables and mixins for optimized CSS program is performed through:

During training: case studies, hands-on labs and professional scenarios
End of training: self-assessment questionnaire and skills evaluation by the trainer
After training: completion certificate detailing acquired skills

Program accessibility

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.

Enrollment terms and lead times

Registration is possible up to 48 business hours before the start of training. All our programs are built for corporate L&D budgets and delivered onsite or remotely.

The Learni story

Founded by engineers and learning experts, Learni's mission is to make high-impact tech training accessible to teams everywhere. We work remotely with organizations across the US and Canada, in your time zone, to help teams upskill fast.

Our method

Training quality, guaranteed at every step

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.

Step 1

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.

Step 2

You meet the trainer beforehand

30-minute video call between you and the selected trainer to validate the fit, adjust content and clear any final doubts.

Live briefing on goals and team context.
Veto right — we swap the trainer for free if needed.

Step 3

Content tailored to your context

No recycled slides. The syllabus is reworked from your real cases: tools, constraints, vocabulary, ongoing projects.

Hands-on cases drawn from your stack and projects.
Program co-written then validated by your team.

Step 4

Continuous quality follow-up

Live evaluations, 30/90/180-day check-ins and a consolidation plan. If the impact misses the mark, we rework it.

NPS, knowledge quizzes and skills self-assessment.
Satisfaction guarantee: fully satisfied or free rework.

A simple promise: you don't pay to discover the trainer on day one. Everything is validated upfront, by you.

A child walking to school with a backpack

Our social commitment

A school kit donated to a child for every training booked

To fight inequalities in access to education, Learni donates a complete school kit to a child in need for every training booked. You build your skills, a child heads back to school.

Backpack, notebooks and essential supplies
Distributed through our partner charities
Included, at no extra cost to you

Enroll and offer a kit

FAQ

Frequently asked questions

What can participants do after SASS training?+

They can discover the fundamentals of SASS and its installation, create variables to centralize CSS styles and master nesting to structure code efficiently. Those are the stated objectives of the SASS program at Beginner level, checked by the end-of-session assessment.

What does the SASS program cover, day by day?+

Day 1: Introduction to SASS: installation and variables (SCSS syntax). Day 2: Mixins and functions: advanced style reuse in SASS. Day 3: Nesting and modules: scalable SASS architecture. Day 4: Compilation and best practices: deploying SASS in production. The SASS program runs over 4 days, delivered on site.

How is SASS training assessed?+

Assessment relies on daily interactive quizzes on key concepts, graded practical exercises with immediate feedback and final personal project evaluated by the trainer. Learni issues a completion certificate together with the individual assessment report at the end of the SASS program, which an L&D team can file as evidence.

How much does SASS training cost per participant?+

SASS training is priced on quote. The amount depends on headcount, format and how far the syllabus is tailored to your team. A detailed quote is sent within one business day, and team pricing covers the whole group from the second participant.

How long does SASS training take?+

4 days, available live online (US time zones) or on-site at your offices. Half-day tracks spread over several weeks are possible so the team stays operational.

Who pays for SASS training?+

Most US teams pay directly through their company L&D or training budget. Learni invoices in US dollars and accepts bank transfer (ACH/wire) or card, with volume pricing for teams. A purchase order is welcome.

What do participants need to know before SASS training?+

Basic knowledge of HTML and CSS, daily use of a code editor.

Is a certificate issued after SASS training?+

Yes. A Learni completion certificate is issued, along with the individual evaluation report. Learni is a certified training provider and prepares for third-party certifications, but does not award them itself.

Does Learni provide the equipment for SASS training?+

No. A computer and a stable internet connection are required for each participant. Learni provides the learning platform, the trainer and all course materials.

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