diff --git a/groups/home/LibAnswers-5-js-css.html b/groups/home/LibAnswers-5-js-css.html
index 81c92f3..8317cd6 100644
--- a/groups/home/LibAnswers-5-js-css.html
+++ b/groups/home/LibAnswers-5-js-css.html
@@ -77,7 +77,7 @@ body {
 }
 
 /* style navbar */
-nav.navbar-default.yamm {
+nav.navbar-default.main-nav-container {
         background-color: white;
         border: none;
         font-size: 1.4em;
@@ -250,10 +250,6 @@ a.no-underline { text-decoration: none; }
 .open > a > .fancy-caret { margin-bottom: -4px; vertical-align: -4px; display: inline-block; }
 .open > a > .caret-text { vertical-align: -1px; }
 
-/* additional styling for OneSearch dropdown */
-.yamm4 { max-width: 460px; }
-#yamm4-margins { margin: -15px 0; }
-
 /* style footer */
 #orange-line {
         height:10px; 
@@ -282,7 +278,7 @@ a.no-underline { text-decoration: none; }
                max-width: 100%;
                max-height: 150px;
         }
-        nav.navbar-default.yamm { margin-top: -20px; }
+        nav.navbar-default.main-nav-container { margin-top: -20px; }
         .form-width { width: 210px; }
         .nav-by-jumbotron { margin-top: 40px !important; }
         #main-blue-footer { min-height: 450px; }
@@ -344,34 +340,6 @@ a.no-underline { text-decoration: none; }
 @media only screen and (min-width: 1200px)  {
          #library-logo { margin-top: -3px; }
 }
-
-/*!
- * Yamm!3 - Yet another megamenu for Bootstrap 3
- * http://geedmo.github.com/yamm3
- *
- * @geedmo - Licensed under the MIT license
- */
-.yamm .nav,
-.yamm .collapse,
-.yamm .dropup,
-.yamm .dropdown {
-  position: static;
-}
-.yamm .container {
-  position: relative;
-}
-.yamm .dropdown-menu {
-  left: auto;
-}
-.yamm .yamm-content {
-  padding: 20px 30px;
-}
-.yamm .dropdown.yamm-fw .dropdown-menu {
-  left: 0;
-  right: 0;
-}
-/* End of Yamm */
-
 </style>
 
 <!-- trigger menu open when you hover over dropdowns
diff --git a/groups/home/LibAnswers-SlideOutChat-5.html b/groups/home/LibAnswers-SlideOutChat-5.html
index 7a44c2a..6b65d8a 100644
--- a/groups/home/LibAnswers-SlideOutChat-5.html
+++ b/groups/home/LibAnswers-SlideOutChat-5.html
@@ -78,7 +78,7 @@
                          </div>
                          <div class="row" id="hamburger-alternative">
                                 <div class="col-xs-12">
-                                        <nav class="navbar navbar-default yamm">
+                                        <nav class="navbar navbar-default main-nav-container">
                                                 <div class="container-fluid">
                                                         <ul class="nav navbar-nav" id="navbar-center">
                                                                 <li class="dropdown main-nav-dropdown">
@@ -262,7 +262,7 @@
                 <div class="container" style="margin-top:14px;">
 			<div class="row kbcc-background-image">
                                  <div class="col-sm-8">
-				         <form class="form-inline yamm onesearch-jumbotron" name="searchPrimoForm1" role="search" method="get" action="https://cuny-kb.primo.exlibrisgroup.com/discovery/search" onsubmit="addPrimoQuery();" enctype="application/x-www-form-urlencoded; charset=utf-8" id="formToAppendInputsTo">
+				         <form class="form-inline onesearch-jumbotron" name="searchPrimoForm1" role="search" method="get" action="https://cuny-kb.primo.exlibrisgroup.com/discovery/search" onsubmit="addPrimoQuery();" enctype="application/x-www-form-urlencoded; charset=utf-8" id="formToAppendInputsTo">
                                                  <!-- default is "everything"  option suggested from OLS widget builder -->
                                                  <input name="vid" value="01CUNY_KB:CUNY_KB" type="hidden" />
                                                  <input name="tab" value="Everything" type="hidden" id="tabSetting" />