Use fixed position instead of sticky for sidenav and top bar so it works in IE

styles/components/_global_layout.scss

@@ -25,9 +25,12 @@ body {
     margin: $gap;
     flex-grow: 1;
     -ms-flex-negative: 1;
+    top: 68px;
+    position: relative;
 
     @include media($medium-screen) {
       margin: $gap * 2;
+      top: 68px;
     }
   }
 }

styles/components/_sticky_cta.scss

@@ -9,7 +9,7 @@
   }
 
   &.js-is-sticky {
-    width: 80.8%;
+    width: calc(100% - 25rem);
   }
 
   .sticky-cta-container {

styles/components/_topbar.scss

@@ -2,11 +2,10 @@
   background-color: $color-blue-darkest;
   border-bottom: 1px solid $color-black;
   height: 48px;
-
+  position: fixed;
-  &.js-is-sticky {
+  top: 20px;
-    width: 100%;
+  width: 100%;
-    z-index: 16;
+  z-index: 10;
-  }
 
   &__navigation {
     display: flex;

styles/components/_usa_banner.scss

@@ -3,6 +3,9 @@
   align-items: center;
   padding: ($gap / 2) $gap;
   z-index: 15;
+  position: fixed;
+  height: 20px;
+  width: 100%;
 
   img {
     flex-grow: 0;

styles/elements/_sidenav.scss

@@ -5,17 +5,30 @@
 
 .sidenav-container {
   box-shadow: $box-shadow;
+  overflow: hidden;
+  position: relative;
+  top: 68px;
 
-  .sidenav {
+  &__toggler {
-    @include media($large-screen) {
-      margin: 0px;
-    }
-
     width: 25rem;
 
-    &.js-is-sticky {
+    &--minimized {
-      width: 19.2%;
+      @extend .sidenav-container__toggler;
-      min-width: 25rem;
+      width: 10rem;
+    }
+  }
+
+  &__fixed {
+    position: fixed;
+    overflow: scroll;
+  }
+
+  .sidenav {
+    width: 25rem;
+    overflow: scroll;
+
+    @include media($large-screen) {
+      margin: 0px;
     }
 
     &__title {
@@ -184,9 +197,5 @@
 
     width: 10rem;
     margin: 0px;
-
-    &.js-is-sticky {
-      width: 10rem;
-    }
   }
 }

templates/components/sticky_cta.html

@@ -1,5 +1,5 @@
 {% macro StickyCTA(text) -%}
-    <div class="sticky-cta" v-sticky='{ "stickyBitStickyOffset": 48 }'>
+    <div class="sticky-cta" v-sticky='{ "stickyBitStickyOffset": 68 }'>
         <div class="sticky-cta-container">
             <div class="sticky-cta-text">
                 <h3>{{ text }}</h3>

templates/navigation/global_sidenav.html

@@ -4,31 +4,35 @@
 
 <div v-cloak is="SidenavToggler" class="sidenav-container">
   <template slot-scope='props'>
-    <div v-sticky='{ "stickyBitStickyOffset": 48 }' v-bind:class="{'global-navigation': true, 'sidenav': props.isVisible, 'sidenav--minimized': !props.isVisible}">
+    <div v-bind:class="{'sidenav-container__toggler': props.isVisible, 'sidenav-container__toggler--minimized': !props.isVisible}">
-      <a href="#" v-on:click="props.toggle" class="sidenav__toggle">
+      <div class="sidenav-container__fixed">
-        <template v-if="props.isVisible">
+        <div v-bind:class="{'global-navigation': true, 'sidenav': props.isVisible, 'sidenav--minimized': !props.isVisible}">
-          {{ Icon('angle-double-left-solid', classes="toggle-arrows icon--blue") }}
+          <a href="#" v-on:click="props.toggle" class="sidenav__toggle">
-          Hide
+            <template v-if="props.isVisible">
-        </template>
+              {{ Icon('angle-double-left-solid', classes="toggle-arrows icon--blue") }}
-        <template v-else>
+              Hide
-          Show
+            </template>
-          {{ Icon('angle-double-right-solid', classes="toggle-arrows icon--blue") }}
+            <template v-else>
-        </template>
+              Show
-      </a>
+              {{ Icon('angle-double-right-solid', classes="toggle-arrows icon--blue") }}
-      <div v-if="props.isVisible">
+            </template>
-        <div class="sidenav__title">Portfolios</div>
+          </a>
-        <ul class="sidenav__list--padded">
+          <div v-if="props.isVisible">
-          {% if portfolios %}
+            <div class="sidenav__title">Portfolios</div>
-            {% for other_portfolio in portfolios|sort(attribute='name') %}
+            <ul class="sidenav__list--padded">
-              {{ SidenavItem(other_portfolio.name,
+              {% if portfolios %}
-                href=url_for("applications.portfolio_applications", portfolio_id=other_portfolio.id),
+                {% for other_portfolio in portfolios|sort(attribute='name') %}
-                active=(other_portfolio.id | string) == request.view_args.get('portfolio_id')
+                  {{ SidenavItem(other_portfolio.name,
-                ) }}
+                    href=url_for("applications.portfolio_applications", portfolio_id=other_portfolio.id),
-            {% endfor %}
+                    active=(other_portfolio.id | string) == request.view_args.get('portfolio_id')
-          {% else %}
+                    ) }}
-            <li><span class="sidenav__text">You have no portfolios yet</span></li>
+                {% endfor %}
-          {% endif %}
+              {% else %}
-        </ul>
+                <li><span class="sidenav__text">You have no portfolios yet</span></li>
+              {% endif %}
+            </ul>
+          </div>
+        </div>
       </div>
     </div>
   </template>

templates/navigation/topbar.html

@@ -1,6 +1,6 @@
 {% from "components/icon.html" import Icon %}
 
-<header class="topbar" v-sticky>
+<header class="topbar">
   <nav class="topbar__navigation">
     <a href="{{ url_for('atst.home') }}" class="topbar__link topbar__link--home">
       {{ Icon('shield', classes='topbar__link-icon') }}