Fix bugs in docs search results

Results were sliding behind content. For some reason, this solves the problem.

Author: JPrevost

docs/_sass/custom/custom.scss

@@ -63,7 +63,6 @@ body {
 
 .main {
   min-height: 100vh;
-  display: flex;
   flex-direction: column;
   margin-bottom: 5em;
 }