How does the rem unit represent a font size?

Which HTML element represents either a scalar value within a known range OR a fractional value?

What is Webpack primarily used for?

How many columns will there be, given this code? .container { width: 600px; Column-width: 200px; column-gap: 50px;}

You find this code in a stylesheet. What is it being used for? .cf::after { content: '';

What is the correct way to initialize an array of galaxies in JavaScript?

You are designing a site and creating a navigation bar linking to the main sections. Which HTML element should you use to indicate that this is the main navigation?

You want to create striped table rows using CSS without adding a class to any element. Which CSS would correctly apply the background color to every odd row in your table?

Which array method should you apply to run a function for every item within an array, returning an array of all items for which the function is true?

You have created a box that has a height set with CSS. Which line of CSS would add scroll bars if the content is taller than the box, but leave no visible scroll bars if the content fits into the box?

_ moves an element completely out of the page's normal layout flow, like it is sitting on its own separate layer. From there, you can fix it in a position relative to the edges of the page's element (or its nearest positioned ancestor element)?