You have multiple tabs that acts like the menu for a section or even as the navigation menu for a website. When you clicks on them each section slides into view like a typical slider. On smaller devices the title of each tab is reduced to just the first character.
If you are having trouble with the pen, try the archived copy on GitHub
Hima Vincent is the founder & editor in chief of CodeMyUI. She is a writer by day and a reader by night who helps web designers build awesome projects by sharing amazing code snippets for inspiration.
Hobbies include designing, card games, photography and exploring the culinary arts.