Thank you so much Stephen!
Just out of curiosity (and knowledge for the future), what is the ‘z-index,’ and what does it do?
Again, thank you so much!
nav#site-navigation {
position: absolute;
top: 25px;
left: 15%;
right: 0%;
margin-left:auto;
margin-right:auto;
}
Messed around with this code and it worked!