_ 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)?

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?

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 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?

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 discover that CSS is being loaded on a website using the following code. Why might a web developer have done this?

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

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

What is Webpack primarily used for?

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

How does the rem unit represent a font size?