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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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Don't let this gap widen
Without mastery of the CSS Grid system, web teams waste 25-40 hours per project debugging responsive layouts, inflating development costs by up to $15,000 on average for mid-sized sites.
68% of cross-device rendering failures—per Stack Overflow surveys—stem from inadequate grid implementation, leading to 35% higher bounce rates and $100,000+ in annual lost revenue from poor user engagement.
Developers stuck with outdated techniques risk project delays, client churn, and stalled promotions, while companies forfeit market share to competitors delivering pixel-perfect, modern layouts.
Every quarter without Grid expertise compounds these vulnerabilities into irreversible business setbacks.
The Training Mastering the CSS Grid System: Creating Modern and Responsive Layouts 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 the CSS Grid System: Creating Modern and Responsive Layouts 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 the CSS Grid System: Creating Modern and Responsive Layouts 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.
History of grid systems, difference between Flexbox and Grid, basic structure of a Grid container, defining rows and columns, grid-container and grid-item properties, simple element positioning.
Nested grids, named areas (grid areas), using media queries with Grid, adapting grids to different screens (desktop, tablet, mobile), managing visual order independently of the DOM, techniques for changing the grid based on resolution.
Target audience
Web developers, integrators, and web designers with basic knowledge of HTML and CSS
Prerequisites
Basic knowledge of HTML and CSS
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