diff --git a/lms/templates/main.html b/lms/templates/main.html
index 04d412383b..9cbb775a0a 100644
--- a/lms/templates/main.html
+++ b/lms/templates/main.html
@@ -135,7 +135,7 @@ from branding import api as branding_api
     % endif
 
     <div class="content-wrapper" id="content">
-      ${self.body()}
+      ${next.body()}
       <%block name="bodyextra"/>
     </div>
 
diff --git a/lms/templates/navigation.html b/lms/templates/navigation.html
index 5926984e04..f99ad4202f 100644
--- a/lms/templates/navigation.html
+++ b/lms/templates/navigation.html
@@ -123,35 +123,40 @@ site_status_msg = get_site_status_msg(course_id)
           </li>
         % endif
       </%block>
-      % if not settings.FEATURES['DISABLE_LOGIN_BUTTON']:
-          % if settings.FEATURES.get('ENABLE_COURSE_DISCOVERY'):
-          <li class="nav-global-05">
-            <a class="cta cta-discovery" href="/courses">${_("Find Courses")}</a>
-          </li>
-          %endif
-          % if course and settings.FEATURES.get('RESTRICT_ENROLL_BY_REG_METHOD') and course.enrollment_domain:
-          <li class="nav-global-04">
-            <a class="cta cta-register" href="${reverse('course-specific-register', args=[course.id.to_deprecated_string()])}">${_("Register")}</a>
-          </li>
-          % else:
-          <li class="nav-global-04">
-            <a class="cta cta-register" href="/register${login_query()}">${_("Register")}</a>
-          </li>
-          % endif
 
-      % endif
+      <%block name="navigation_other_global_links">
+        % if not settings.FEATURES['DISABLE_LOGIN_BUTTON']:
+            % if settings.FEATURES.get('ENABLE_COURSE_DISCOVERY'):
+            <li class="nav-global-05">
+              <a class="cta cta-discovery" href="/courses">${_("Find Courses")}</a>
+            </li>
+            %endif
+            % if course and settings.FEATURES.get('RESTRICT_ENROLL_BY_REG_METHOD') and course.enrollment_domain:
+            <li class="nav-global-04">
+              <a class="cta cta-register" href="${reverse('course-specific-register', args=[course.id.to_deprecated_string()])}">${_("Register")}</a>
+            </li>
+            % else:
+            <li class="nav-global-04">
+              <a class="cta cta-register" href="/register${login_query()}">${_("Register")}</a>
+            </li>
+            % endif
+
+        % endif
+      </%block>
     </ol>
 
     <ol class="right nav-courseware">
-    <li class="nav-courseware-01">
-      % if not settings.FEATURES['DISABLE_LOGIN_BUTTON']:
-          % if course and settings.FEATURES.get('RESTRICT_ENROLL_BY_REG_METHOD') and course.enrollment_domain:
-          <a class="cta cta-login" href="${reverse('course-specific-login', args=[course.id.to_deprecated_string()])}${login_query()}">${_("Sign in")}</a>
-          % else:
-          <a class="cta cta-login" href="/login${login_query()}">${_("Sign in")}</a>
+      <%block name="navigation_sign_in">
+        <li class="nav-courseware-01">
+          % if not settings.FEATURES['DISABLE_LOGIN_BUTTON']:
+              % if course and settings.FEATURES.get('RESTRICT_ENROLL_BY_REG_METHOD') and course.enrollment_domain:
+              <a class="cta cta-login" href="${reverse('course-specific-login', args=[course.id.to_deprecated_string()])}${login_query()}">${_("Sign in")}</a>
+              % else:
+              <a class="cta cta-login" href="/login${login_query()}">${_("Sign in")}</a>
+              % endif
           % endif
-      % endif
-    </li>
+        </li>
+      </%block>
     </ol>
     % endif
   </nav>
diff --git a/lms/templates/register.html b/lms/templates/register.html
index b241d3e5eb..d596fd6ba4 100644
--- a/lms/templates/register.html
+++ b/lms/templates/register.html
@@ -112,6 +112,7 @@ import calendar
 <section class="register container">
   <section role="main" class="content">
     <form role="form" id="register-form" method="post" data-remote="true" action="/create_account" novalidate>
+      <%block name="register_form">
       <input type="hidden" name="csrfmiddlewaretoken" value="${ csrf_token }">
 
       <!-- status messages -->
@@ -369,6 +370,7 @@ import calendar
       <div class="form-actions">
         <button name="submit" type="submit" id="submit" class="action action-primary action-update register-button">${_('Register')} <span class="orn-plus">+</span> ${_('Create My Account')}</button>
       </div>
+      </%block>
     </form>
   </section>