diff --git a/portail_citoyen/static/portail_citoyen/css/style.css b/portail_citoyen/static/portail_citoyen/css/style.css
index ee3b1b5..4c92a3e 100644
--- a/portail_citoyen/static/portail_citoyen/css/style.css
+++ b/portail_citoyen/static/portail_citoyen/css/style.css
@@ -68,7 +68,7 @@ div#top h1 {
   padding-left: 2em;
   margin-left: 20px;
   font-size: 120%;
-  font-weight: bold;
+  font-weight: normal;
 }
 
 div#top h1 a {
@@ -272,8 +272,6 @@ br.clear {
 }
 
 div#single-title {
-  border: 1px solid #a5a7aa;
-  border-width: 1px 0px;
   font-size: 110%;
   text-align: center;
   padding: 10px 0;
@@ -771,26 +769,31 @@ h1#logo img:hover {
 #nav {
   margin: 0 auto;
   padding: 0px 0;
-  width: 180px;
   margin: 17px auto;
   font-size: 110%;
-  float: left;
-  position: relative;
-  z-index: 1000;
+  z-index: 1500;
+  width: 100%;
+  text-align: center;
 }
 
 #nav ul {
 	margin: 0;
 	padding: 0;
 	list-style: none;
+  border: 1px solid #a5a7aa;
+  padding: 1ex;
+  border-width: 1px 0px;
 }
 
 #nav li {
   margin: 1ex 0;
-  padding: 1ex;
-  border: 1px solid #a5a7aa;
-  border-width: 1px 0px;
+  padding: 1.5ex 1ex;
   text-align: center;
+  display: inline;
+}
+
+#nav li:after {
+  content: " /";
 }
 
 #nav a {
@@ -937,7 +940,6 @@ div#registration input[type="submit"] {
 }
 
 #real-content {
-	padding-left: 200px;
 	text-align: justify;
 	margin-top: 1em;
 }
@@ -991,6 +993,44 @@ p.fullname {
     margin-right: 1.5em;
 }
 
+#contact-us {
+  z-index: 500;
+  position: absolute;
+  top: 100px;
+  left: 300px;
+  background: #37a7da;
+  -webkit-border-radius: 4px;
+  -moz-border-radius: 4px;
+  border-radius: 4px;
+  -webkit-box-shadow: none;
+  -moz-box-shadow: none;
+  box-shadow: none;
+  color: white;
+  text-decoration: none;
+  -webkit-transition: all .2s ease-in-out;
+  -moz-transition: all .2s ease-in-out;
+}
+
+#contact-us:hover {
+  -webkit-box-shadow: 0 0 2px rgba(0, 0, 0, .9);
+  -moz-box-shadow: 0 0 2px rgba(0, 0, 0, .9);
+  border: none;
+
+}
+#contact-us a {
+  padding: 8px 12px;
+  display: block;
+  color: white;
+}
+
+#contact-us a:hover {
+  text-decoration: none;
+}
+
+iframe {
+  border: 1px solid #aaa;
+}
+
 @media screen and (max-width: 760px) {
   body.narrow-page div.right {
      clear: none;
@@ -1024,7 +1064,10 @@ p.fullname {
     left: 0;
     width: 98%;
   }
-
+  #contact-us {
+     left: auto;
+     right: 10px;
+  }
 }
 
 @media screen and (max-width: 400px) {
diff --git a/portail_citoyen/templates/base.html b/portail_citoyen/templates/base.html
index 3a419a7..cd49823 100644
--- a/portail_citoyen/templates/base.html
+++ b/portail_citoyen/templates/base.html
@@ -15,7 +15,7 @@
     <div id="page">
       <div id="header">
         <div id="top">
-           <h1 id="logo"><a href="/"><img src="{% static "portail_citoyen/img/logo.png" %}" alt="Entr'ouvert"/></a></h1>
+           <h1 id="logo"><a href="/"><img src="{% static "portail_citoyen/img/logo.png" %}" alt="Entr'ouvert"/></a>Portail citoyen</h1>
           <div class="region-header">
             {% if user.is_authenticated %}
               <div id="toplinks">
@@ -33,12 +33,12 @@
               </div>
             {% endif %}
           </div>
+          <div id="contact-us"><a href="mailto:info@entrouvert.com">Contactez-nous</a></div>
+          </div>
         </div>
       </div> <!-- header -->
       <div id="main-content-wrapper">
 
-        <div id="single-title">Portail citoyen</div>
-
         {% block menu %}
         <div id="nav">
           <ul>{% show_menu_below_id "top-page" 0 0 100 100 "top-menu.html" %}</ul>