[UPDATE] more style fixes

public/templates/bootstrap/home/news_accordion.tpl

@@ -2,7 +2,7 @@
       <div class="col-lg-12">
         <div class="panel panel-info">
           <div class="panel-heading">
-            <h4><i class="fa fa-info-circle fa-fw"></i> latest News</h4>
+            <h5><i class="fa fa-info-circle fa-fw"></i> latest News</h5>
           </div>
           <div class="panel-body">
             <div class="panel-group" id="accordion">

public/templates/bootstrap/login/default.tpl

@@ -3,7 +3,7 @@
     <input type="hidden" name="ctoken" value="{$CTOKEN|escape|default:""}">
     <div class="panel panel-info">
       <div class="panel-heading">
-        <h3 class="panel-title">Login with existing account</h3>
+        <i class="fa fa-sign-in fa-fw"></i> Login with existing account
       </div>
       <div class="panel-body">
         <div class="form-group">