Move beta to a tag

ui/app/styles/core/menu.scss

@@ -21,14 +21,8 @@
         }
       }
 
-      &.is-beta::after {
-        content: 'beta';
-        color: $grey;
-        font-size: 0.8em;
-        font-weight: $weight-normal;
-        position: relative;
-        top: -0.8em;
-        left: -0.8em;
+      .tag {
+        margin-left: 0.5em;
       }
 
       .icon {

ui/app/styles/core/tag.scss

@@ -57,4 +57,9 @@
     padding: 0;
     margin-bottom: 1em;
   }
+
+  &.is-small {
+    font-size: 0.7rem;
+    vertical-align: 2px;
+  }
 }

ui/app/templates/components/gutter-menu.hbs

@@ -57,7 +57,7 @@
         Integrations
       </p>
       <ul class="menu-list">
-        <li>{{#link-to "csi" class="is-beta" activeClass="is-active" data-test-gutter-link="csi"}}Storage{{/link-to}}</li>
+        <li>{{#link-to "csi" activeClass="is-active" data-test-gutter-link="csi"}}Storage <span class="tag is-small">Beta</span>{{/link-to}}</li>
       </ul>
       <p class="menu-label">
         Cluster