Fixed position relative to the container

I was working on product landing page. Here is the link to my codepen
Product Landing page

I have three division lines in (red color line at bottom). Can someone please guide me how can I fix the location of these lines in their container box. i.e. at a certain % height of the box.
The three lines don’t remain in alignment when i resize the window horizontally.

excelent sources for positioning anything are

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<div class="division"></div>