Les éléments HTML div et span (conteneurs génériques) - Pierre Giraud
Class, ID and < div > and < span > in HTML
html - css for nested divs and classes - Stack Overflow
CSS Lesson 3: Basic CSS Selectors | LearnWebCode
How to write HTML faster with Emmet | by Ali Hassan | Medium
Multiple Class / ID and Class Selectors | CSS-Tricks - CSS-Tricks
How to Find a CSS Class or Id Selector in WordPress - ThemeSkills
GTMTips: 10 Useful CSS Selectors | Simo Ahava's blog
Classes and IDs | Web design
CSS manipulation
Difference between CSS ID and Class
Difference between CSS ID and Class
What is the Difference Between div id and div class - Pediaa.Com
DIV, SPAN, ID and Class
HTML & CSS - Find Your Inner Dev With Divs - DEV Community
DIV, SPAN, ID and Class
css selectors - How do I select this div in CSS? - Stack Overflow
Classes vs IDs | HTML/CSS
CSS Element working without ID and Class - HTML-CSS - The freeCodeCamp Forum
DIV, SPAN, ID and Class
The Difference Between ID and Class | CSS-Tricks - CSS-Tricks
How to apply styles to a particular 'div' without using the ID or class selectors - Quora
How to Use CSS Selectors to Customize Your Site's Design - OSTraining
Difference between CSS ID and Class
What is the difference between ID and CLASS selectors in CSS? - Quora
