It stopped working after I made some edits to my posts using the Yellow Pencil plugin. Does anyone have any idea how to fix this? Blog website link here: https://aspiringtonothingness.com
The wrapper element has a higher priority than your menu (position relative) and lies over your menu element.
1) Remove the negative "top" value from the .wrapper element in css
-> top: -66px;
and add less padding-top instead.
2) Add a z-index value to your navigation element, for example z-index: 10