This video tutorial guides viewers through building a modern gallery using CSS grid. It starts with creating the HTML markup for the gallery, followed by styling the layout with CSS. The tutorial covers aligning images within the grid and concludes with adding hover effects and final adjustments to enhance the gallery's appearance.

What values are assigned to the opacity of images by default?

How is the background color of the section element changed?

What is the purpose of defining padding on the section element?

How does the author suggest to align the images in the gallery?