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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.
10 spots per session maximum — 9 already taken
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30 free minutes with a training advisor — no commitment.
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Don't let this gap widen
Without mastery of CSS Grid, web teams resort to brittle Flexbox workarounds and table-based layouts, crippling responsive designs across devices.
This inefficiency wastes 35% more development hours per project—equating to $12,000 in average rework costs—and spikes maintenance expenses by 50% annually.
Uncompetitive interfaces drive 67% higher bounce rates on mobile, slashing conversions and revenue while stalling careers amid rising demands for modern UIs.
Every month without CSS Grid expertise, companies hemorrhage market share to rivals delivering seamless, flexible experiences.
The Training: Mastering CSS Grid System: Design Flexible and Modern Web Interfaces 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: Mastering CSS Grid System: Design Flexible and Modern Web Interfaces 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: Mastering CSS Grid System: Design Flexible and Modern Web Interfaces 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.
Presentation of the history of grid systems, limitations of old methods (floats, tables, Flexbox), discovery of the main CSS Grid properties (container and items), creation of first simple grids, understanding of the main and secondary axes. Practical exercises on basic grid structuring.
Handling responsiveness with CSS Grid (fr units, auto, repeat, minmax), using Media Queries, organizing content with grid-template-areas, grid-gap, grid-auto-flow, and precise alignment. Workshops on multi-column adaptive layouts, image galleries, and dashboards. Comparison and complementarity with Flexbox.
Browser compatibility management, best practices for accessible grids, CSS organization (BEM, SASS methodologies), performance optimization, modularity, and reusability. Development of an ongoing mini-project (complete grid-based interface) with review and personalized feedback.
Target audience
Web developers, integrators, web designers, and anyone wishing to structure responsive web interfaces using CSS Grid systems.
Prerequisites
Basic proficiency in HTML and CSS required.
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