freeCodeCamp/guide/english/certifications/responsive-web-design/css-flexbox/use-display-flex-to-position-two-boxes/index.md

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Use display: flex to Position Two Boxes

Use display: flex to Position Two Boxes

Flexbox is a way to structure content in CSS3 which allows you to create responsie websites.

This challenge is to set the first out of thre steps when using Flexbox. You need to make the parent container a flex one by adding display:flex; to its CSS section.

Example:

#main-container {
    display: flex;
}