Step 21.3: Add mobile view

imports/ui/components/login/mobile.html

@@ -0,0 +1,27 @@
+<md-content layout="row" layout-align="center start" layout-fill layout-margin>
+  <md-whiteframe layout="column" flex flex-md="50" flex-lg="50" flex-gt-lg="33" class="md-whiteframe-z2" layout-fill>
+    <!-- header -->
+    <md-toolbar class="md-primary md-tall" layout="column" layout-align="end" layout-fill>
+      <div layout="row" class="md-toolbar-tools md-toolbar-tools-bottom">
+        <h3 class="md-display-1">
+          Login
+        </h3>
+      </div>
+    </md-toolbar>
+
+    <!-- content -->
+    <div layout="column" layout-fill layout-margin layout-padding>
+      <!-- display an error -->
+      <md-toolbar ng-show="login.error" class="md-warn" layout="row" layout-fill layout-padding layout-margin>
+        <p class="md-body-1">{{ login.error }}</p>
+      </md-toolbar>
+
+      <md-divider></md-divider>
+
+      <!-- other actions -->
+      <div layout="row" layout-align="center">
+        <a class="md-button" href="/password">Forgot password?</a>
+      </div>
+    </div>
+  </md-whiteframe>
+</md-content>