Challenge Overview
The `align-items` property positions the flex content along the cross axis. In this case, with your `flex-direction` set to `row`, your cross axis would be vertical.
The align-items property positions the flex content along the cross axis. In this case, with your flex-direction set to row, your cross axis would be vertical.
To vertically center your images, give your .gallery selector an align-items property with center as the value.