diff --git a/src/popup/accounts/environment.component.html b/src/popup/accounts/environment.component.html
index dbacca585a5..26bf1192c3b 100644
--- a/src/popup/accounts/environment.component.html
+++ b/src/popup/accounts/environment.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <a routerLink="/home">{{'close' | i18n}}</a>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'appName' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading">
                 <span [hidden]="form.loading">{{'save' | i18n}}</span>
@@ -15,9 +15,9 @@
     </header>
     <content>
         <div class="box">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'selfHostedEnvironment' | i18n}}
-            </div>
+            </h2>
             <div class="box-content">
                 <div class="box-content-row" appBoxRow>
                     <label for="baseUrl">{{'baseUrl' | i18n}}</label>
@@ -30,9 +30,9 @@
             </div>
         </div>
         <div class="box">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'customEnvironment' | i18n}}
-            </div>
+            </h2>
             <div class="box-content" [hidden]="!showCustom">
                 <div class="box-content-row" appBoxRow>
                     <label for="webVaultUrl">{{'webVaultUrl' | i18n}}</label>
diff --git a/src/popup/accounts/hint.component.html b/src/popup/accounts/hint.component.html
index 97a7a41aa2d..21796b96b29 100644
--- a/src/popup/accounts/hint.component.html
+++ b/src/popup/accounts/hint.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <a routerLink="/login">{{'cancel' | i18n}}</a>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'passwordHint' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading">
                 <span [hidden]="form.loading">{{'submit' | i18n}}</span>
diff --git a/src/popup/accounts/lock.component.html b/src/popup/accounts/lock.component.html
index 1b7da04eaea..94bea74fe3b 100644
--- a/src/popup/accounts/lock.component.html
+++ b/src/popup/accounts/lock.component.html
@@ -1,9 +1,9 @@
 <form (ngSubmit)="submit()">
     <header>
         <div class="left"></div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{(pinLock ? 'verifyPin' : 'verifyMasterPassword') | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick>{{'unlock' | i18n}}</button>
         </div>
diff --git a/src/popup/accounts/login.component.html b/src/popup/accounts/login.component.html
index 6f0434b89fe..1a2f7e1e56f 100644
--- a/src/popup/accounts/login.component.html
+++ b/src/popup/accounts/login.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <a routerLink="/home">{{'cancel' | i18n}}</a>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'appName' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading">
                 <span [hidden]="form.loading">{{'login' | i18n}}</span>
diff --git a/src/popup/accounts/register.component.html b/src/popup/accounts/register.component.html
index 4bc4ebc8017..fcd913cfde2 100644
--- a/src/popup/accounts/register.component.html
+++ b/src/popup/accounts/register.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <a routerLink="/home">{{'cancel' | i18n}}</a>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'createAccount' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading">
                 <span [hidden]="form.loading">{{'submit' | i18n}}</span>
diff --git a/src/popup/accounts/set-password.component.html b/src/popup/accounts/set-password.component.html
index da26956a830..db6c70ba0f6 100644
--- a/src/popup/accounts/set-password.component.html
+++ b/src/popup/accounts/set-password.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <a routerLink="/home">{{'cancel' | i18n}}</a>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'setMasterPassword' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading">
                 <span [hidden]="form.loading">{{'submit' | i18n}}</span>
diff --git a/src/popup/accounts/two-factor-options.component.html b/src/popup/accounts/two-factor-options.component.html
index 15ad88013f1..07ca6d19218 100644
--- a/src/popup/accounts/two-factor-options.component.html
+++ b/src/popup/accounts/two-factor-options.component.html
@@ -2,9 +2,9 @@
     <div class="left">
         <a routerLink="/2fa">{{'close' | i18n}}</a>
     </div>
-    <div class="center">
+    <h1 class="center">
         <span class="title">{{'twoStepOptions' | i18n}}</span>
-    </div>
+    </h1>
     <div class="right"></div>
 </header>
 <content>
diff --git a/src/popup/accounts/two-factor.component.html b/src/popup/accounts/two-factor.component.html
index 7026339ac34..94d7b1caf7c 100644
--- a/src/popup/accounts/two-factor.component.html
+++ b/src/popup/accounts/two-factor.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <a routerLink="/login">{{'back' | i18n}}</a>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{title}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading" *ngIf="selectedProviderType != null && selectedProviderType !== providerType.Duo &&
                         selectedProviderType !== providerType.OrganizationDuo &&
diff --git a/src/popup/accounts/update-temp-password.component.html b/src/popup/accounts/update-temp-password.component.html
index 19e698b8f5c..57bb9a43e73 100644
--- a/src/popup/accounts/update-temp-password.component.html
+++ b/src/popup/accounts/update-temp-password.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <a (click)="logOut()">{{'logOut' | i18n}}</a>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'updateMasterPassword' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading">
                 <span [hidden]="form.loading">{{'submit' | i18n}}</span>
diff --git a/src/popup/components/password-reprompt.component.html b/src/popup/components/password-reprompt.component.html
index 3ef88b7bc72..59ec5bfab3d 100644
--- a/src/popup/components/password-reprompt.component.html
+++ b/src/popup/components/password-reprompt.component.html
@@ -3,7 +3,7 @@
         <form class="modal-content" #form (ngSubmit)="submit()">
             <div class="modal-body">
                 <div class="box">
-                    <div class="box-header">{{'passwordConfirmation' | i18n}}</div>
+                    <h1 class="box-header">{{'passwordConfirmation' | i18n}}</h1>
                     <div class="box-content">
                         <div class="box-content-row box-content-row-flex" appBoxRow>
                             <div class="row-main">
diff --git a/src/popup/generator/password-generator-history.component.html b/src/popup/generator/password-generator-history.component.html
index 26c96108883..67c6f61869c 100644
--- a/src/popup/generator/password-generator-history.component.html
+++ b/src/popup/generator/password-generator-history.component.html
@@ -5,9 +5,9 @@
             <span>{{'back' | i18n}}</span>
         </button>
     </div>
-    <div class="center">
+    <h1 class="center">
         <span class="title">{{'passwordHistory' | i18n}}</span>
-    </div>
+    </h1>
     <div class="right">
         <button type="button" appBlurClick type="button" (click)="clear()">
             {{'clear' | i18n}}
diff --git a/src/popup/generator/password-generator.component.html b/src/popup/generator/password-generator.component.html
index b1fad034662..46daae8b57e 100644
--- a/src/popup/generator/password-generator.component.html
+++ b/src/popup/generator/password-generator.component.html
@@ -3,9 +3,9 @@
         <app-pop-out [show]="!showSelect"></app-pop-out>
         <button type="button" appBlurClick (click)="close()" *ngIf="showSelect">{{'cancel' | i18n}}</button>
     </div>
-    <div class="center">
+    <h1 class="center">
         <span class="title">{{'passGen' | i18n}}</span>
-    </div>
+    </h1>
     <div class="right">
         <button type="button" appBlurClick (click)="select()" *ngIf="showSelect">{{'select' | i18n}}</button>
     </div>
@@ -34,9 +34,9 @@
         </div>
     </div>
     <div class="box">
-        <div class="box-header">
+        <h2 class="box-header">
             {{'options' | i18n}}
-        </div>
+        </h2>
         <div class="box-content">
             <div class="box-content-row">
                 <label class="sr-only radio-header">{{'type' | i18n}}</label>
diff --git a/src/popup/send/send-add-edit.component.html b/src/popup/send/send-add-edit.component.html
index 10499559e81..af31e28c6e8 100644
--- a/src/popup/send/send-add-edit.component.html
+++ b/src/popup/send/send-add-edit.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <button type="button" appBlurClick (click)="cancel()">{{'cancel' | i18n}}</button>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{title}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading || disableSend">
                 <span [hidden]="form.loading">{{'save' | i18n}}</span>
@@ -96,9 +96,9 @@
         </div>
         <!-- Share -->
         <div class="box">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'share' | i18n}}
-            </div>
+            </h2>
             <div class="box-content">
                 <!-- Copy Link on Save -->
                 <div class="box-content-row box-content-row-checkbox" appBoxRow>
@@ -110,11 +110,11 @@
         </div>
         <!-- Options -->
         <div class="box">
-            <div class="box-header-expandable" (click)="showOptions = !showOptions">
+            <h2 class="box-header-expandable" (click)="showOptions = !showOptions">
                 {{'options' | i18n}}
                 <i *ngIf="!showOptions" class="fa fa-chevron-down fa-sm icon"></i>
                 <i *ngIf="showOptions" class="fa fa-chevron-up fa-sm icon"></i>
-            </div>
+            </h2>
         </div>
         <div [hidden]="!showOptions">
             <app-send-efflux-dates
diff --git a/src/popup/send/send-groupings.component.html b/src/popup/send/send-groupings.component.html
index 34bc2f1bfea..6947021b707 100644
--- a/src/popup/send/send-groupings.component.html
+++ b/src/popup/send/send-groupings.component.html
@@ -28,9 +28,9 @@
     </div>
     <ng-container *ngIf="sends && sends.length && !showSearching()">
         <div class="box list">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'types' | i18n}}
-            </div>
+            </h2>
             <div class="box-content single-line">
                 <button type="button" class="box-content-row" appStopClick appBlurClick (click)="selectType(sendType.Text)">
                     <div class="row-main">
@@ -51,10 +51,10 @@
             </div>
         </div>
         <div class="box list">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'allSends' | i18n}}
                 <div class="flex-right">{{sends.length}}</div>
-            </div>
+            </h2>
             <div class="box-content">
                 <app-send-list [sends]="sends" title="{{'editItem' | i18n}}" [disabledByPolicy]="disableSend"
                     (onSelected)="selectSend($event)" (onCopySendLink)="copy($event)"
diff --git a/src/popup/send/send-type.component.html b/src/popup/send/send-type.component.html
index d489e5f3a53..f4747e49343 100644
--- a/src/popup/send/send-type.component.html
+++ b/src/popup/send/send-type.component.html
@@ -30,10 +30,10 @@
         </ng-container>
     </div>
     <div class="box list only-list" *ngIf="filteredSends.length">
-        <div class="box-header">
+        <h2 class="box-header">
             {{groupingTitle}}
             <span class="flex-right">{{filteredSends.length}}</span>
-        </div>
+        </h2>
         <div class="box-content">
             <app-send-list [sends]="filteredSends" title="{{'editItem' | i18n}}" [disabledByPolicy]="disableSend"
                 (onSelected)="selectSend($event)" (onCopySendLink)="copy($event)"
diff --git a/src/popup/settings/excluded-domains.component.html b/src/popup/settings/excluded-domains.component.html
index 50bc0a856e5..fd5b217f492 100644
--- a/src/popup/settings/excluded-domains.component.html
+++ b/src/popup/settings/excluded-domains.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <a routerLink="/tabs/settings">{{'cancel' | i18n}}</a>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'excludedDomains' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick>{{'save' | i18n}}</button>
         </div>
diff --git a/src/popup/settings/export.component.html b/src/popup/settings/export.component.html
index 922f3ebc156..381365423ef 100644
--- a/src/popup/settings/export.component.html
+++ b/src/popup/settings/export.component.html
@@ -6,9 +6,9 @@
                 <span>{{'back' | i18n}}</span>
             </a>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'exportVault' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button appBlurClick type="submit" [disabled]="disabledByPolicy">{{'submit' | i18n}}</button>
         </div>
diff --git a/src/popup/settings/folder-add-edit.component.html b/src/popup/settings/folder-add-edit.component.html
index 9ebdeb7ab3e..23d61026d44 100644
--- a/src/popup/settings/folder-add-edit.component.html
+++ b/src/popup/settings/folder-add-edit.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <a routerLink="/folders">{{'cancel' | i18n}}</a>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{title}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading">
                 <span [hidden]="form.loading">{{'save' | i18n}}</span>
diff --git a/src/popup/settings/folders.component.html b/src/popup/settings/folders.component.html
index 6becefcf381..a05a22b60dc 100644
--- a/src/popup/settings/folders.component.html
+++ b/src/popup/settings/folders.component.html
@@ -5,9 +5,9 @@
             <span>{{'back' | i18n}}</span>
         </a>
     </div>
-    <div class="center">
+    <h1 class="center">
         <span class="title">{{'folders' | i18n}}</span>
-    </div>
+    </h1>
     <div class="right">
         <button type="button" appBlurClick (click)="addFolder()" appA11yTitle="{{'addFolder' | i18n}}">
             <i class="fa fa-plus fa-lg fa-fw" aria-hidden="true"></i>
diff --git a/src/popup/settings/options.component.html b/src/popup/settings/options.component.html
index 77161c2c900..440b023251e 100644
--- a/src/popup/settings/options.component.html
+++ b/src/popup/settings/options.component.html
@@ -5,18 +5,18 @@
             <span>{{'back' | i18n}}</span>
         </a>
     </div>
-    <div class="center">
+    <h1 class="center">
         <span class="title">{{'options' | i18n}}</span>
-    </div>
+    </h1>
     <div class="right"></div>
 </header>
 <content>
     <div class="box">
-        <div class="box-header-expandable" (click)="showGeneral = !showGeneral">
+        <h2 class="box-header-expandable" (click)="showGeneral = !showGeneral">
             General
             <i *ngIf="!showGeneral" class="fa fa-chevron-down fa-sm icon"></i>
             <i *ngIf="showGeneral" class="fa fa-chevron-up fa-sm icon"></i>
-        </div>
+        </h2>
     </div>
     <ng-container *ngIf="showGeneral">
         <div class="box">
@@ -84,11 +84,11 @@
         </div>
     </ng-container>
     <div class="box box-section-divider">
-        <div class="box-header-expandable" (click)="showDisplay = !showDisplay">
+        <h2 class="box-header-expandable" (click)="showDisplay = !showDisplay">
             Display
             <i *ngIf="!showDisplay" class="fa fa-chevron-down fa-sm icon"></i>
             <i *ngIf="showDisplay" class="fa fa-chevron-up fa-sm icon"></i>
-        </div>
+        </h2>
     </div>
     <ng-container *ngIf="showDisplay">
         <div class="box">
@@ -141,11 +141,11 @@
         </div>
     </ng-container>
     <div class="box box-section-divider">
-        <div class="box-header-expandable" (click)="showAutofill = !showAutofill">
+        <h2 class="box-header-expandable" (click)="showAutofill = !showAutofill">
             Autofill
             <i *ngIf="!showAutofill" class="fa fa-chevron-down fa-sm icon"></i>
             <i *ngIf="showAutofill" class="fa fa-chevron-up fa-sm icon"></i>
-        </div>
+        </h2>
     </div>
     <ng-container *ngIf="showAutofill">
         <div class="box">
diff --git a/src/popup/settings/premium.component.html b/src/popup/settings/premium.component.html
index 3fbb32552e3..478bd994059 100644
--- a/src/popup/settings/premium.component.html
+++ b/src/popup/settings/premium.component.html
@@ -5,9 +5,9 @@
             <span>{{'back' | i18n}}</span>
         </a>
     </div>
-    <div class="center">
+    <h1 class="center">
         <span class="title">{{'premiumMembership' | i18n}}</span>
-    </div>
+    </b1>
     <div class="right"></div>
 </header>
 <content>
diff --git a/src/popup/settings/settings.component.html b/src/popup/settings/settings.component.html
index 66df2da28f2..49f2cded39c 100644
--- a/src/popup/settings/settings.component.html
+++ b/src/popup/settings/settings.component.html
@@ -2,14 +2,14 @@
     <div class="left">
         <app-pop-out></app-pop-out>
     </div>
-    <div class="center">
+    <h1 class="center">
         <span class="title">{{'settings' | i18n}}</span>
-    </div>
+    </h1>
     <div class="right"></div>
 </header>
 <content>
     <div class="box list">
-        <div class="box-header">{{'manage' | i18n}}</div>
+        <h2 class="box-header">{{'manage' | i18n}}</h2>
         <div class="box-content single-line">
             <a class="box-content-row box-content-row-flex text-default" routerLink="/folders">
                 <div class="row-main">{{'folders' | i18n}}</div>
@@ -26,7 +26,7 @@
         </div>
     </div>
     <div class="box list">
-        <div class="box-header">{{'security' | i18n}}</div>
+        <h2 class="box-header">{{'security' | i18n}}</h2>
         <div class="box-content single-line">
             <app-vault-timeout-input [vaultTimeouts]="vaultTimeouts" [formControl]="vaultTimeout" ngDefaultControl></app-vault-timeout-input>
             <div class="box-content-row display-block" appBoxRow>
@@ -61,7 +61,7 @@
         </div>
     </div>
     <div class="box list">
-        <div class="box-header">{{'account' | i18n}}</div>
+        <h2 class="">{{'account' | i18n}}</h2>
         <div class="box-content single-line">
             <a class="box-content-row" routerLink="/premium">
                 <div class="row-main">
@@ -108,7 +108,7 @@
         </div>
     </div>
     <div class="box list">
-        <div class="box-header">{{'other' | i18n}}</div>
+        <h2 class="box-header">{{'other' | i18n}}</h2>
         <div class="box-content single-line">
             <a class="box-content-row box-content-row-flex text-default" routerLink="/options">
                 <div class="row-main">{{'options' | i18n}}</div>
diff --git a/src/popup/settings/sync.component.html b/src/popup/settings/sync.component.html
index 722a79f17a6..2ec7c82548a 100644
--- a/src/popup/settings/sync.component.html
+++ b/src/popup/settings/sync.component.html
@@ -5,9 +5,9 @@
             <span>{{'back' | i18n}}</span>
         </a>
     </div>
-    <div class="center">
+    <h1 class="center">
         <span class="title">{{'sync' | i18n}}</span>
-    </div>
+    </h1>
     <div class="right"></div>
 </header>
 <content>
diff --git a/src/popup/vault/add-edit-custom-fields.component.html b/src/popup/vault/add-edit-custom-fields.component.html
index 4fe2eae4228..68bfb5ca41a 100644
--- a/src/popup/vault/add-edit-custom-fields.component.html
+++ b/src/popup/vault/add-edit-custom-fields.component.html
@@ -1,7 +1,7 @@
 <div class="box">
-    <div class="box-header">
+    <h2 class="box-header">
         {{'customFields' | i18n}}
-    </div>
+    </h2>
     <div class="box-content">
         <!-- Current custom fields -->
         <div cdkDropList (cdkDropListDropped)="drop($event)" *ngIf="cipher.hasFields">
diff --git a/src/popup/vault/add-edit.component.html b/src/popup/vault/add-edit.component.html
index 76f571d15ea..9e2eb8f3ea3 100644
--- a/src/popup/vault/add-edit.component.html
+++ b/src/popup/vault/add-edit.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <button type="button" appBlurClick (click)="cancel()">{{'cancel' | i18n}}</button>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{title}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading">
                 <span [hidden]="form.loading">{{'save' | i18n}}</span>
@@ -18,9 +18,9 @@
             {{'personalOwnershipPolicyInEffect' | i18n}}
         </app-callout>
         <div class="box">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'itemInformation' | i18n}}
-            </div>
+            </h2>
             <div class="box-content">
                 <div class="box-content-row" *ngIf="!editMode" appBoxRow>
                     <label for="type">{{'type' | i18n}}</label>
@@ -315,9 +315,9 @@
             </div>
         </div>
         <div class="box">
-            <div class="box-header">
+            <h2 class="box-header">
                 <label for="notes">{{'notes' | i18n}}</label>
-            </div>
+            </h2>
             <div class="box-content">
                 <div class="box-content-row" appBoxRow>
                     <textarea id="notes" name="Notes" rows="6" [(ngModel)]="cipher.notes"></textarea>
@@ -326,9 +326,9 @@
         </div>
         <app-vault-add-edit-custom-fields [cipher]="cipher" [editMode]="editMode"></app-vault-add-edit-custom-fields>
         <div class="box" *ngIf="allowOwnershipOptions()">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'ownership' | i18n}}
-            </div>
+            </h2>
             <div class="box-content">
                 <div class="box-content-row" appBoxRow>
                     <label for="organizationId">{{'whoOwnsThisItem' | i18n}}</label>
@@ -340,9 +340,9 @@
             </div>
         </div>
         <div class="box" *ngIf="(!editMode || cloneMode )&& cipher.organizationId">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'collections' | i18n}}
-            </div>
+            </h2>
             <div class="box-content" *ngIf="!collections || !collections.length">
                 <div class="box-content-row padded no-hover">
                     {{'noCollectionsInList' | i18n}}
diff --git a/src/popup/vault/attachments.component.html b/src/popup/vault/attachments.component.html
index a1fb60d8e4a..8d709453c74 100644
--- a/src/popup/vault/attachments.component.html
+++ b/src/popup/vault/attachments.component.html
@@ -9,9 +9,9 @@
                 <span>{{'back' | i18n}}</span>
             </button>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'attachments' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading">
                 <span [hidden]="form.loading">{{'save' | i18n}}</span>
@@ -40,9 +40,9 @@
             </div>
         </div>
         <div class="box">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'newAttachment' | i18n}}
-            </div>
+            </h2>
             <div class="box-content no-hover">
                 <div class="box-content-row">
                     <label for="file">{{'file' | i18n}}</label>
diff --git a/src/popup/vault/ciphers.component.html b/src/popup/vault/ciphers.component.html
index 90f7c088324..fc19b7b54b4 100644
--- a/src/popup/vault/ciphers.component.html
+++ b/src/popup/vault/ciphers.component.html
@@ -20,9 +20,9 @@
 <content [ngClass]="{'stacked-boxes': showGroupings()}">
     <ng-container *ngIf="showGroupings()">
         <div class="box list" *ngIf="nestedFolders && nestedFolders.length">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'folders' | i18n}}
-            </div>
+            </h2>
             <div class="box-content single-line">
                 <button type="button" *ngFor="let f of nestedFolders" class="box-content-row" appStopClick appBlurClick
                     (click)="selectFolder(f.node)">
@@ -38,9 +38,9 @@
             </div>
         </div>
         <div class="box list" *ngIf="nestedCollections && nestedCollections.length">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'collections' | i18n}}
-            </div>
+            </h2>
             <div class="box-content single-line">
                 <button type="button" *ngFor="let c of nestedCollections" class="box-content-row" appStopClick appBlurClick
                     (click)="selectCollection(c.node)">
@@ -66,10 +66,10 @@
         <cdk-virtual-scroll-viewport itemSize="46" minBufferPx="400" maxBufferPx="600" *ngIf="ciphers.length"
             #virtualScrollViewport>
             <div class="box list only-list">
-                <div class="box-header">
+                <h2 class="box-header">
                     {{groupingTitle}}
                     <span class="flex-right">{{isSearching() ? ciphers.length : ciphers.length}}</span>
-                </div>
+                </h2>
                 <div class="box-content">
                     <app-cipher-row *cdkVirtualFor="let c of ciphers" [cipher]="c" title="{{'viewItem' | i18n}}"
                         (onSelected)="selectCipher($event)" (launchEvent)="launchCipher($event)"></app-cipher-row>
diff --git a/src/popup/vault/collections.component.html b/src/popup/vault/collections.component.html
index a1265dc9165..e96c3a5b678 100644
--- a/src/popup/vault/collections.component.html
+++ b/src/popup/vault/collections.component.html
@@ -6,9 +6,9 @@
                 <span>{{'back' | i18n}}</span>
             </button>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'collections' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading">
                 <span [hidden]="form.loading">{{'save' | i18n}}</span>
diff --git a/src/popup/vault/current-tab.component.html b/src/popup/vault/current-tab.component.html
index c4455992cdb..d2a9ae9fc33 100644
--- a/src/popup/vault/current-tab.component.html
+++ b/src/popup/vault/current-tab.component.html
@@ -1,4 +1,5 @@
 <header>
+    <h1 class="sr-only">{{'currentTab' | i18n}}</h1>
     <div class="left">
         <app-pop-out [show]="!inSidebar"></app-pop-out>
         <button type="button" appBlurClick (click)="refresh()" appA11yTitle="{{'refresh' | i18n}}" *ngIf="inSidebar">
@@ -22,10 +23,10 @@
     </div>
     <ng-container *ngIf="loaded">
         <div class="box list" *ngIf="loginCiphers">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'typeLogins' | i18n}}
                 <span class="flex-right">{{loginCiphers.length}}</span>
-            </div>
+            </h2>
             <div class="box-content">
                 <app-cipher-row *ngFor="let loginCipher of loginCiphers" [cipher]="loginCipher" 
                     title="{{'autoFill' | i18n}}" [showView]="true" (onSelected)="fillCipher($event)" 
@@ -40,20 +41,20 @@
             </div>
         </div>
         <div class="box list" *ngIf="cardCiphers && cardCiphers.length">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'cards' | i18n}}
                 <span class="flex-right">{{cardCiphers.length}}</span>
-            </div>
+            </h2>
             <div class="box-content">
                 <app-cipher-row *ngFor="let cardCipher of cardCiphers" [cipher]="cardCipher" title="{{'autoFill' | i18n}}" [showView]="true"
                     (onSelected)="fillCipher($event)" (onView)="viewCipher($event)"></app-cipher-row>
             </div>
         </div>
         <div class="box list" *ngIf="identityCiphers && identityCiphers.length">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'identities' | i18n}}
                 <span class="flex-right">{{identityCiphers.length}}</span>
-            </div>
+            </h2>
             <div class="box-content">
                 <app-cipher-row *ngFor="let identityCipher of identityCiphers" [cipher]="identityCipher" title="{{'autoFill' | i18n}}" [showView]="true"
                     (onSelected)="fillCipher($event)" (onView)="viewCipher($event)"></app-cipher-row>
diff --git a/src/popup/vault/groupings.component.html b/src/popup/vault/groupings.component.html
index 32cefbe75b5..0cce4dfcaca 100644
--- a/src/popup/vault/groupings.component.html
+++ b/src/popup/vault/groupings.component.html
@@ -24,10 +24,10 @@
     </div>
     <ng-container *ngIf="ciphers && ciphers.length && !showSearching()">
         <div class="box list" *ngIf="favoriteCiphers">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'favorites' | i18n}}
                 <span class="flex-right">{{favoriteCiphers.length}}</span>
-            </div>
+            </h2>
             <div class="box-content">
                 <app-cipher-row *ngFor="let favoriteCipher of favoriteCiphers" [cipher]="favoriteCipher"
                     title="{{'viewItem' | i18n}}" (onSelected)="selectCipher($event)"
@@ -35,10 +35,10 @@
             </div>
         </div>
         <div class="box list">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'types' | i18n}}
                 <span class="flex-right">4</span>
-            </div>
+            </h2>
             <div class="box-content single-line">
                 <button type="button" class="box-content-row" appStopClick appBlurClick (click)="selectType(cipherType.Login)">
                     <div class="row-main">
@@ -76,10 +76,10 @@
             </div>
         </div>
         <div class="box list" *ngIf="nestedFolders?.length">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'folders' | i18n}}
                 <span class="flex-right">{{folderCount}}</span>
-            </div>
+            </h2>
             <div class="box-content single-line">
                 <button type="button" *ngFor="let f of nestedFolders" class="box-content-row" appStopClick appBlurClick
                     (click)="selectFolder(f.node)">
@@ -96,10 +96,10 @@
             </div>
         </div>
         <div class="box list" *ngIf="nestedCollections && nestedCollections.length">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'collections' | i18n}}
                 <span class="flex-right">{{nestedCollections.length}}</span>
-            </div>
+            </h2>
             <div class="box-content single-line">
                 <button type="button" *ngFor="let nestedCollection of nestedCollections" class="box-content-row"
                     appStopClick appBlurClick (click)="selectCollection(nestedCollection.node)">
@@ -113,10 +113,10 @@
             </div>
         </div>
         <div class="box list" *ngIf="showNoFolderCiphers">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'noneFolder' | i18n}}
                 <div class="flex-right">{{noFolderCiphers.length}}</div>
-            </div>
+            </h2>
             <div class="box-content">
                 <app-cipher-row *ngFor="let noFolderCipher of noFolderCiphers" [cipher]="noFolderCipher"
                     title="{{'viewItem' | i18n}}" (onSelected)="selectCipher($event)"
@@ -124,10 +124,10 @@
             </div>
         </div>
         <div class="box list" *ngIf="deletedCount">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'trash' | i18n}}
                 <span class="flex-right">{{deletedCount}}</span>
-            </div>
+            </h2>
             <div class="box-content single-line">
                 <button type="button" class="box-content-row" appStopClick appBlurClick
                     (click)="selectTrash()">
diff --git a/src/popup/vault/password-history.component.html b/src/popup/vault/password-history.component.html
index 83eed5671c7..25da87a609a 100644
--- a/src/popup/vault/password-history.component.html
+++ b/src/popup/vault/password-history.component.html
@@ -2,9 +2,9 @@
     <div class="left">
         <button type="button" appBlurClick (click)="close()">{{'close' | i18n}}</button>
     </div>
-    <div class="center">
+    <h1 class="center">
         <span class="title">{{'passwordHistory' | i18n}}</span>
-    </div>
+    </h1>
     <div class="right"></div>
 </header>
 <content>
diff --git a/src/popup/vault/share.component.html b/src/popup/vault/share.component.html
index f6422ae634f..a16dd91bc32 100644
--- a/src/popup/vault/share.component.html
+++ b/src/popup/vault/share.component.html
@@ -3,9 +3,9 @@
         <div class="left">
             <button type="button" appBlurClick (click)="cancel()">{{'cancel' | i18n}}</button>
         </div>
-        <div class="center">
+        <h1 class="center">
             <span class="title">{{'moveToOrganization' | i18n}}</span>
-        </div>
+        </h1>
         <div class="right">
             <button type="submit" appBlurClick [disabled]="form.loading || !canSave"
                 *ngIf="organizations && organizations.length">
@@ -35,9 +35,9 @@
             </div>
         </div>
         <div class="box" *ngIf="organizations && organizations.length">
-            <div class="box-header">
+            <h2 class="box-header">
                 {{'collections' | i18n}}
-            </div>
+            </h2>
             <div class="box-content" *ngIf="!collections || !collections.length">
                 <div class="box-content-row padded no-hover">
                     {{'noCollectionsInList' | i18n}}
diff --git a/src/popup/vault/view-custom-fields.component.html b/src/popup/vault/view-custom-fields.component.html
index 8c3c1853b45..851cd8e19c9 100644
--- a/src/popup/vault/view-custom-fields.component.html
+++ b/src/popup/vault/view-custom-fields.component.html
@@ -1,7 +1,7 @@
 <ng-container>
-    <div class="box-header">
+    <h2 class="box-header">
         {{'customFields' | i18n}}
-    </div>
+    </h2>
     <div class="box-content">
         <div class="box-content-row box-content-row-flex" *ngFor="let field of cipher.fields">
             <div class="row-main">
diff --git a/src/popup/vault/view.component.html b/src/popup/vault/view.component.html
index 9603f8af4ab..bf77ca7e9c6 100644
--- a/src/popup/vault/view.component.html
+++ b/src/popup/vault/view.component.html
@@ -2,18 +2,18 @@
     <div class="left">
         <button type="button" appBlurClick (click)="close()">{{'close' | i18n}}</button>
     </div>
-    <div class="center">
+    <h1 class="center">
         <span class="title">{{'viewItem' | i18n}}</span>
-    </div>
+    </h1>
     <div class="right" *ngIf="cipher">
         <button type="button" appBlurClick (click)="edit()" *ngIf="!cipher.isDeleted">{{'edit' | i18n}}</button>
     </div>
 </header>
 <content *ngIf="cipher">
     <div class="box">
-        <div class="box-header">
+        <h2 class="box-header">
             {{'itemInformation' | i18n}}
-        </div>
+        </h2>
         <div class="box-content">
             <div class="box-content-row">
                 <span class="row-label">{{'name' | i18n}}</span>
@@ -211,9 +211,9 @@
         </div>
     </div>
     <div class="box" *ngIf="cipher.notes">
-        <div class="box-header">
+        <h2 class="box-header">
             {{'notes' | i18n}}
-        </div>
+        </h2>
         <div class="box-content">
             <div class="box-content-row">
                 <textarea [value]="cipher.notes" rows="6" readonly aria-readonly="true"></textarea>
@@ -225,9 +225,9 @@
             [copy]="copy.bind(this)"></app-vault-view-custom-fields>
     </div>
     <div class="box" *ngIf="cipher.hasAttachments && (canAccessPremium || cipher.organizationId) && showAttachments">
-        <div class="box-header">
+        <h2 class="box-header">
             {{'attachments' | i18n}}
-        </div>
+        </h2>
         <div class="box-content">
             <button type="button" class="box-content-row box-content-row-flex text-default" *ngFor="let attachment of cipher.attachments"
                 appStopClick appBlurCLick (click)="downloadAttachment(attachment)">