diff --git a/assets/css/style.css b/assets/css/style.css
index b3920bd..2d09eea 100644
--- a/assets/css/style.css
+++ b/assets/css/style.css
@@ -147,7 +147,7 @@ body {
 	font-family: 'Open Sans', sans-serif;
 }
 
-h2 {
+h2.title {
 	font-weight: bold;
 	font-size: 17px;
 	color: #3a3a3a;
@@ -188,6 +188,8 @@ footer{
 	}
 }
 
+.bloc_principal_titre
+
 .nav_imie {
 	height: 40px;
 	background-color: #1c1c1c;
@@ -248,28 +250,32 @@ footer{
 	display: inline-block;
 	float: right;
 	font-weight: bold;
+}
+
+.item_nav_blog_droite a {
 	-webkit-transition: 400ms;
 	-o-transition: 400ms;
 	transition: 400ms;
+
 }
 
-.item_nav_blog_droite:hover {
+.item_nav_blog_droite a:hover {
 	cursor: pointer;
 }
 
-.item_nav_blog_droite.dev:hover {
+.item_nav_blog_droite.dev a:hover {
 	color: #ffd75f;
 }
 
-.item_nav_blog_droite.digi:hover {
+.item_nav_blog_droite.digi a:hover {
 	color: #6bb194;
 }
 
-.item_nav_blog_droite.ops:hover {
+.item_nav_blog_droite.ops a:hover {
 	color: #2ea3f2;
 }
 
-.item_nav_blog_droite.devops:hover {
+.item_nav_blog_droite.devops a:hover {
 	color: #ff1c4a;
 }
 
@@ -310,6 +316,28 @@ footer{
 	font-weight: 600;
 }
 
+.bloc_principal_titre h1, h4.title {
+	font-size: 20px;
+}
+
+h4.title {
+	font-size: 18px;
+}
+
+a[href]:hover {
+	color: inherit;
+	text-decoration: none;
+}
+
+.item_nav_blog_droite a[href] {
+	font-weight: 700;
+	color: white;
+}
+
+.nav_imie {
+	background: #000;
+}
+
 .cover-text {
 	padding: 0px 90px;
 	margin-top: 100px;
diff --git a/assets/html/includes/head.html b/assets/html/includes/head.html
index 4e2e0b0..c64afab 100644
--- a/assets/html/includes/head.html
+++ b/assets/html/includes/head.html
@@ -4,8 +4,8 @@
 <meta name="viewport" content="width=device-width, initial-scale=1" />
 <link rel="stylesheet" type="text/css" media="screen" href="/assets/css/style.css"/>
 <script src="/assets/js/script.js" defer=""></script>
-<link href="http://netdna.bootstrapcdn.com/bootstrap/3.3.5/css/bootstrap.css" rel="stylesheet" />
-<script src="http://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.js"></script>
-<script src="http://netdna.bootstrapcdn.com/bootstrap/3.3.5/js/bootstrap.js"></script>
+<link rel="stylesheet" href="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/css/bootstrap.min.css" integrity="sha384-ggOyR0iXCbMQv3Xipma34MD+dH/1fQ784/j6cY/iJTQUOhcWr7x9JvoRxT2MZw1T" crossorigin="anonymous" />
+<script src="https://code.jquery.com/jquery-3.3.1.slim.min.js" integrity="sha384-q8i/X+965DzO0rT7abK41JStQIAqVgRVzpbzo5smXKp4YfRvH+8abtTE1Pi6jizo" crossorigin="anonymous"></script>
+<script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script>
 <link href="http://cdnjs.cloudflare.com/ajax/libs/summernote/0.8.11/summernote.css" rel="stylesheet" />
 <script src="http://cdnjs.cloudflare.com/ajax/libs/summernote/0.8.11/summernote.js"></script>