Vertical Line runs into footer

I added vertical lines to sections with the following code however the vertical line in the final section runs through into the footer. 

<div class="vl"></div>
 

.vl {
  border-right: 1px solid #000000; 
  height: 900px; 
  position: absolute;
  left: 30%;
}

https://seadragon-cello-c7j6.squarespace.com/

password: statement1

Hi,

It looks like you fixed this? It is fine here