Move style elements into template

+ Fix wrong closing tag.

Change-Id: I5918283db5f6f5fea93337274289f89d6ba09550
diff --git a/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown.html b/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown.html
index b571d16..2c7550f 100644
--- a/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown.html
+++ b/polygerrit-ui/app/elements/core/gr-account-dropdown/gr-account-dropdown.html
@@ -20,50 +20,50 @@
 <link rel="import" href="../../shared/gr-rest-api-interface/gr-rest-api-interface.html">
 
 <dom-module id="gr-account-dropdown">
-  <style>
-    :host {
-      display: inline-block;
-    }
-    .dropdown-trigger {
-      text-decoration: none;
-    }
-    .dropdown-content {
-      background-color: #fff;
-      box-shadow: 0 1px 5px rgba(0, 0, 0, .3);
-    }
-    button {
-      background: none;
-      border: none;
-      font: inherit;
-      padding: .3em 0;
-    }
-    gr-avatar {
-      height: 2em;
-      width: 2em;
-      vertical-align: middle;
-    }
-    ul {
-      list-style: none;
-    }
-    ul .accountName {
-      font-weight: bold;
-    }
-    li .accountInfo,
-    li a {
-      display: block;
-      padding: .85em 1em;
-    }
-    li a:link,
-    li a:visited {
-      color: #00e;
-      text-decoration: none;
-    }
-    li a:hover {
-      background-color: #6B82D6;
-      color: #fff;
-    }
-  </style>
   <template>
+    <style>
+      :host {
+        display: inline-block;
+      }
+      .dropdown-trigger {
+        text-decoration: none;
+      }
+      .dropdown-content {
+        background-color: #fff;
+        box-shadow: 0 1px 5px rgba(0, 0, 0, .3);
+      }
+      button {
+        background: none;
+        border: none;
+        font: inherit;
+        padding: .3em 0;
+      }
+      gr-avatar {
+        height: 2em;
+        width: 2em;
+        vertical-align: middle;
+      }
+      ul {
+        list-style: none;
+      }
+      ul .accountName {
+        font-weight: bold;
+      }
+      li .accountInfo,
+      li a {
+        display: block;
+        padding: .85em 1em;
+      }
+      li a:link,
+      li a:visited {
+        color: #00e;
+        text-decoration: none;
+      }
+      li a:hover {
+        background-color: #6B82D6;
+        color: #fff;
+      }
+    </style>
     <gr-button link class="dropdown-trigger" id="trigger"
         on-tap="_showDropdownTapHandler">
       <span hidden$="[[_hasAvatars]]" hidden>[[account.name]]</span>