Adding Space between Background image and Blog

Hello i'm designing a site with wordpress. ı'm trying to cover the entry page with background image. I asked many questions about this. I tried many css code. Then i noticed that i need to add space under my background image to cover the enter page. Because the blog under the image is blocking the image. So i can't cover the entry page with my background photo. As a result i want to add space between the background and blog. https://uczpre.com/ in this site pink background is covering the entry page. ı want to do this. And my site is tibitipidnm.cf you can go here to understand my problem. This is my problems photo and this is the blog side photo