Merge pull request #6097 from blakeembrey/modal-body-relative

Add relative positioning to .modal-body

less/modals.less

@@ -58,6 +58,7 @@
 
 // Body (where all modal content resides)
 .modal-body {
+  position: relative;
   overflow-y: auto;
   max-height: 400px;
   padding: 15px;