I would like to make the page responsive for bigger screens

I am trying to fix this page responsiveness for the bigger screen like 27 inches etc. https://digital.++++++++++.com.au/web-design/

Please check:
https://cdn.livechat-static.com/api/file/v2/lc/att-old/8801096/bcc57eaeac4237191015ee08a2f15491/Screen%20Shot%202019-11-20%20at%205.27.49%20pm.png
https://cdn.livechat-static.com/api/file/v2/lc/att-old/8801096/6167e500b73163810baa39ee750cf62d/Screen%20Shot%202019-11-20%20at%205.28.11%20pm.png

This is the finished product:
https://cdn.livechat-static.com/api/file/v2/lc/att-old/8801096/a0841ea734f02cf79683c4b8eaa037a8/Screen%20Shot%202019-11-20%20at%205.29.04%20pm.png