diff --git a/app/javascript/stylesheets/components/_navbar.scss b/app/javascript/stylesheets/components/_navbar.scss
index 42d038b65..c7ce9c768 100644
--- a/app/javascript/stylesheets/components/_navbar.scss
+++ b/app/javascript/stylesheets/components/_navbar.scss
@@ -15,6 +15,20 @@ header {
   margin-left: 15px;
 }
 
+.sub-header-links {
+  height: 40px;
+  display: flex;
+  align-items: center;
+  justify-content: left;
+  border-top: 1px solid $dark-grey;
+  position: relative;
+  z-index: 2;
+  p, a {
+    font-size: 12px;
+    color: black;
+  }
+}
+
 
 .sub-header {
   height: 50px;
diff --git a/app/views/common/_header_website.html.erb b/app/views/common/_header_website.html.erb
index 46ec13359..30e850d16 100644
--- a/app/views/common/_header_website.html.erb
+++ b/app/views/common/_header_website.html.erb
@@ -37,7 +37,7 @@
     </div>
   </nav>
   <% if current_agent %>
-    <div class="sub-header d-none d-md-flex">
+    <div class="sub-header-links d-none d-md-flex">
       <div class="container d-none d-md-flex ">
         <%= link_to "https://rdv-insertion.gitbook.io/guide-dutilisation-rdv-insertion/", target: :blank, class: "nav-link optional-link" do %>
           <p class="mb-0">Guide d'utilisation&nbsp;<i class="fas fa-external-link-alt"></i></p>