Fixing Empty Space in Portfolio Projects Layout on Webpage

Hi everyone. This is something that has been stressing me out. The arrangement of my portfolio projects on this page https://www.jolleenopula.com/ux-designer looks good in designer but when published, there is a weird empty space that I can’t seem to remove. Anyone know what to do to fix it? Here is a video explanation https://www.loom.com/share/2fc84f51fc10467eb0ec98d55a8682ff?sid=689eb179-f589-4b81-b709-6373d6c2be31