how to make a grid image

Hello, I am cloning a website, I am blocked at a certain level the page. I would like to realize this grid:

and this is what I was able to achieve in my code

I hope to get help from you I am a beginner in web development and I clone websites to improve myself

Comments

[John P. Rouillard]

Look for tutorials on masonry layout.

[Razor]

i can get the link pls