Everything, all the way up to html
is pushed down to here: https://clarknelson.com/drop/Screen-Shot-2017-08-08-20-10-35.png
Overflow is located in a <g>
element with clip-path: https://clarknelson.com/drop/Screen-Shot-2017-08-08-19-56-57.png!
Here is what it looks like in Illustrator, it's clipped using a rectangle. You can check the generated svg in the previous img: https://clarknelson.com/drop/Screen-Shot-2017-08-08-19-59-12.png
Shifts even position: fixed elements down, like my nav: https://clarknelson.com/drop/Screen-Shot-2017-08-08-20-00-32.png