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Advanced SASS Training - Optimize Your Modular CSS

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

On quote$5,775

5 days
Onsite
10 people max.

Request a quote See the program

Ref: QLR843

10 people max.

On quote$5,775

In-company rate: on quotefrom $10,395 for the whole team

On-site and certification exam on quote

5 days

Onsite

Don't let this gap widen

Why this program matters

Without advanced SASS, your CSS bloats by 200-300% in lines, multiplying bugs by 5 and maintenance time by 3.
Imagine losing 15h/week on manual repetitions, missing client deadlines due to non-scalable code, seeing your sites load 2s slower and drop 30% in mobile SEO.
Junior devs overtake you with pro tools, your legacy projects become costly traps at 10k€/year in refactoring.
Avoid obsolescence: become a SASS expert and gain 40% immediate productivity.

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

Master mixins and functions to reuse CSS code efficiently
Structure modular architectures with @use and @forward
Optimize performance via critical CSS generation
Integrate SASS into DevOps workflows with Webpack or Gulp
Develop scalable responsive themes in real-world conditions
Debug and profile complex SASS projects
Produce production-ready deliverables

Program

Module 1Advanced SASS Fundamentals: variables, nesting and operators (VS Code, Dart Sass)

Dive into dynamic variables and nested nesting to structure your styles, manipulate mathematical and logical operators live on practical exercises, build your first modular SCSS file with custom color maps, test conditional imports on a real e-commerce site case, leave with a reusable template that boosts your productivity starting tomorrow.

Module 2Advanced SASS Mixins and Functions: reuse (exercises, use cases)

Create parametric mixins for ultra-flexible flexbox and grid layouts, develop custom functions to calculate responsive breakpoints, apply them to an interactive dashboard project, iterate with default arguments and @each loops, generate button and card variants in seconds, experience workflow acceleration and produce a scalable UI kit.

Module 3SASS Modules and @use/@forward: modular architecture (Dart Sass CLI)

Organize partials into interconnected modules via @use and @forward, set up namespaces to avoid conflicts, integrate libraries like Bootstrap SASS, refactor a legacy CSS codebase in 2 hours, collaborate on a shared Git repo, feel the power of clean, maintainable code, leave with a professional team-ready structure.

Module 4Tool Integration: Webpack, Gulp and PostCSS with SASS (build tools)

Set up a Webpack pipeline to compile SASS to minified CSS with sourcemaps, automate with Gulp watchers and sourcemaps, optimize for mobile-first via PostCSS plugins, test on a real multi-page site, measure performance gains with Lighthouse, transform your dev habits and deploy a pro workflow that saves 40% time.

Module 5Final Project and Optimization: advanced SASS themes (capstone project, deliverables)

Design a complete responsive theme for a web app, integrate advanced mixins and modules, profile with tools like Sassmeister, generate critical CSS for Core Web Vitals, present your portfolio project, receive personalized expert feedback, conclude with production tips and a certificate highlighting your SASS expertise.

Evaluation method

Daily interactive quizzes, graded practical exercises, final project evaluated by an expert, skills self-assessment before/after.

Learning method

70% intensive practice, tutorial videos, real business cases, unlimited Slack support.

Methods, materials and delivery

The Advanced SASS Training - Optimize Your Modular 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 Advanced SASS Training - Optimize Your Modular 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 Advanced SASS Training - Optimize Your Modular 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

Which tools are used in Advanced SASS Training training?+

Hands-on work runs on VS Code, dart Sass, exercises, use cases, dart Sass CLI and build tools. Those tools come from the Advanced SASS Training program itself, delivered on site over 5 days, so participants practise on the stack they will use at work.

What can participants do after Advanced SASS Training training?+

They can master mixins and functions to reuse CSS code efficiently, structure modular architectures with @use and @forward and optimize performance via critical CSS generation. Those are the stated objectives of the Advanced SASS Training program at Advanced level, checked by the end-of-session assessment.

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

Day 1: Advanced SASS Fundamentals: variables, nesting and operators (VS Code, Dart Sass). Day 2: Advanced SASS Mixins and Functions: reuse (exercises, use cases). Day 3: SASS Modules and @use/@forward: modular architecture (Dart Sass CLI). Day 4: Tool Integration: Webpack, Gulp and PostCSS with SASS (build tools). Day 5: Final Project and Optimization: advanced SASS themes (capstone project, deliverables). The Advanced SASS Training program runs over 5 days, delivered on site.

How is Advanced SASS Training training assessed?+

Assessment relies on daily interactive quizzes, graded practical exercises, final project evaluated by an expert, skills self-assessment before/after. Learni issues a completion certificate together with the individual assessment report at the end of the Advanced SASS Training program, which an L&D team can file as evidence.

How much does Advanced SASS Training training cost per participant?+

Advanced SASS Training 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 Advanced SASS Training training take?+

5 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 Advanced SASS Training 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 Advanced SASS Training training?+

Advanced mastery of CSS3, knowledge of HTML5 and JavaScript, experience with a code editor like VS Code.

Is a certificate issued after Advanced SASS Training 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.

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