extra markup for default loading page

misago/emberapp/app/styles/misago/variables.less

@@ -98,4 +98,4 @@
 //
 //##
 
-@loader-color:                   @gray-light;
+@loader-color:                   darken(@gray-lighter, 12%);

misago/emberapp/app/templates/loading.hbs

@@ -1,3 +1,9 @@
-<div class="container">
-  <div class="loader loader-large"></div>
+<div class="loading-page">
+  <div class="container">
+    <div class="loading">
+
+      <div class="loader loader-large"></div>
+
+    </div>
+  </div>
 </div>