CSS question

CSS questions are common in interviews as well.

• 4. two-column layoutCSSLayoutmedium
• 8. Twitter's website layoutCSSLayoutmedium
• 16. flex layout 1CSSLayoutmedium
• 20. sticky footerCSSLayoutmedium
• 21. Holy Grail LayoutCSSLayoutmedium
• 22. Grid Layout 1CSSLayoutmedium
• 23. Grid Layout 2CSSLayoutmedium