diff --git a/project/assets/css/style.css b/project/assets/css/style.css
index 47b6718..ccf554e 100644
--- a/project/assets/css/style.css
+++ b/project/assets/css/style.css
@@ -104,13 +104,26 @@ body{
 	color: black;
 	float: right;
 }
-.presblanc{
+.bloc_principal{
 	width: 100%;
-	height: 600px;
+	height: 650px;
 	margin-top: 100px;
 	background-color: white;
 }
+.bloc_principal_titre{
+	text-align: center;
+	padding-top: 13px;
+	width: 100%;
+	height: 50px;
+	background-color: #ffef2b;
+}
 
+
+.item_nav_blog_logo{
+	padding-top: 5px;
+	display: inline-block;
+	float: left;
+}
 #twi{
 	height: 18px;
 	width: 18px;
diff --git a/project/assets/html/includes/header.html b/project/assets/html/includes/header.html
index db091d5..e2b4d0e 100644
--- a/project/assets/html/includes/header.html
+++ b/project/assets/html/includes/header.html
@@ -23,7 +23,7 @@
                 <div class="row">
                     <div class="col-xs-12 col-sm-12 col-md-12 col-lg-12">
                         <ul>
-                            <a><li class="item_nav_blog_gauche" >Acc?s Net-Ypar?o</li></a>
+                            <a><li class="item_nav_blog_logo" ><img src="/assets/img/logo_imie.png"></li></a>
                             <a><li class="item_nav_blog_droite_icon"><img id="glass" src="assets/img/glass.png"></li></a>
                             <a><li class="item_nav_blog_droite_icon"><input id="search" type="text"></li></a>
                             <a><li class="item_nav_blog_droite" >DEVOPS</li></a>
diff --git a/project/assets/html/index.html b/project/assets/html/index.html
index 80f2524..fa979ea 100644
--- a/project/assets/html/index.html
+++ b/project/assets/html/index.html
@@ -12,8 +12,10 @@
 					<div class="container">
 						<div class="row">
 							<div class="col-xs-12 col-sm-12 col-md-12 col-lg-12">
-								<div class="presblanc">
-									<p>dqsdsqdq</p>
+								<div class="bloc_principal">
+									<div class="bloc_principal_titre">
+										<h1>Le titre de la div (bloc_principal)</h1>
+									</div>
 								</div>
 							</div>
 						</div>
diff --git a/project/assets/img/li.png b/project/assets/img/li.png
new file mode 100644
index 0000000..ecc8004
Binary files /dev/null and b/project/assets/img/li.png differ
diff --git a/project/assets/img/logo_imie.png b/project/assets/img/logo_imie.png
new file mode 100644
index 0000000..b694cc3
Binary files /dev/null and b/project/assets/img/logo_imie.png differ