DRAG DROP
You have the following markup:

You need to complete the styles to meet the following requirements:
flex1 must be one-third of the page width.
flex2 must be two-thirds of the page width.
How should you complete the styles? To answer, drag the appropriate code elements to the correct targets in
the answer area. Each code element may be used once, more than once, or not at all. You may need to dragthe split bar between panes or scroll to view content.
Select and Place:

Answer:

Explanation:
https://css-tricks.com/snippets/css/a-guide-to-flexbox/