Fixes CSS issue with dropdown

Author: thomasjpfan

_sass/minimal-mistakes/_pyos-dropdown.scss

@@ -81,7 +81,7 @@ drop shadow
   display: flex;
   flex-direction: column;
   align-items: flex-start;
-  padding-top: 2em;
+  margin-top: 2em;
   top: 90%;
   left: 0%;
   width: 100%;