Add local user manual unlock

Enables manual unlock from the GUI when a user is locked out
due to failed login attempts above allowed threshold.

Signed-off-by: Yoshie Muranaka <yoshiemuranaka@gmail.com>
Change-Id: I63e28a4d6feed9eb6d4d09c0431d31e7bd6924c2
diff --git a/app/common/styles/elements/alerts.scss b/app/common/styles/elements/alerts.scss
index 947320c..433db6d 100644
--- a/app/common/styles/elements/alerts.scss
+++ b/app/common/styles/elements/alerts.scss
@@ -22,3 +22,37 @@
     margin-bottom: 0;
   }
 }
+
+.notification-banner {
+  padding: 8px 10px;
+  margin-bottom: 24px;
+  border-style: solid;
+  border-width: 1px;
+}
+
+.notification-banner__text {
+  font-size: 0.9em;
+  margin-bottom: 0;
+  line-height: 1.2;
+}
+
+.notification-banner--information {
+  background-color: $background-02;
+  border-color: $border-color-01;
+}
+
+.notification-banner--warning {
+  background-color: $accent-03--03;
+  border-color: $accent-03--02;
+  .notification-banner__text {
+    &::before {
+      content: '';
+      display: inline-block;
+      width: 18px;
+      height: 18px;
+      vertical-align: bottom;
+      margin-right: 0.5em;
+      background-image: url(../assets/images/icon-warning.svg);
+    }
+  }
+}
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