Bootstrap Row Columns limited to 6

Hi, I’ve checked on the web but can’t find an answer to Bootstrap’s row-column classes, so I’ll try here. Why doesn’t row-col-7 (for instance) create 7 columns and wrap the remaining columns underneath? It seems row-col-(7-12) don’t do anything? Thanks

bs-row-cols-5744×695 91.2 KB

bs-row-cols-6739×696 95.1 KB

bs-row-cols-7760×710 119 KB