Child and Sibling Selectors | CSS-Tricks - CSS-Tricks
GTMTips: 10 Useful CSS Selectors | Simo Ahava's blog
No explaination of multiple Classes - CSS Markers Step 16 - HTML-CSS - The freeCodeCamp Forum
Utility-first CSS - You have to try it first! - DEV Community
Difference between :first-child and :first-of-type selector in CSS - GeeksforGeeks
How to use pseudo classes in HTML /CSS. | by Pranav Tk | Innovation Incubator | Medium
CSS :first-child Selector - GeeksforGeeks
html - How to use css first-child with :not() - Stack Overflow
CSS Pseudo-Class - :first-child
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css - :first-child not working unless the parent is <div> - Stack Overflow
CSS Pseudo Selectors: What's the difference between :first-of-type and : first-child - DEV Community
CSS Lesson 3: Basic CSS Selectors | LearnWebCode
Add a class attribute with the value item to the first article element under the Coffee heading - HTML-CSS - The freeCodeCamp Forum
First-Child :Last-Child :nth-Child(2n+1) Pseudo Selectors in CSS Master Series in Hindi #10 - YouTube
Using CSS pseudo-element "first-letter" - Ignition - Inductive Automation Forum
Move The First Div Appear Under the Second One in CSS - Stack Overflow
CSS Selectors (part-1) | Suprabha's Blog
CSS :not Selector | SamanthaMing.com
html - How to apply CSS to first child div element only? - Stack Overflow
javascript - CSS select first div of every line - Stack Overflow
html - CSS select element with class, only if it is NOT first child of parent - Stack Overflow
CSS :first-child selector - YouTube
What is the first-child in CSS? - Scaler Topics
CSS/Selectors/pseudo-classes/:first-child - W3C Wiki
