Your first ::before
Level 1 of 8Your goal
Add a ::before to .box that is a 40px-tall block. It pushes the 40px child down to y = 40 and makes the box 80px tall. It needs content, even if it's just "".
Must use
contentElements
Hover one to find it on the stage. Click it, or put your cursor inside its CSS rule, to focus on just that element.
target content boxtarget outer edge (green = matched, red = not yet)your element (hovered or focused)
Feedback updates as you type, and your CSS is saved in this browser. Exact target numbers are in the Target panel.