diff --git a/src/ninegate-1.0/src/Cadoles/CoreBundle/Resources/public/themes/metice/style.css b/src/ninegate-1.0/src/Cadoles/CoreBundle/Resources/public/themes/metice/style.css
index 2b010aae..cba9de23 100644
--- a/src/ninegate-1.0/src/Cadoles/CoreBundle/Resources/public/themes/metice/style.css
+++ b/src/ninegate-1.0/src/Cadoles/CoreBundle/Resources/public/themes/metice/style.css
@@ -280,3 +280,62 @@ div.header > a.title > span {
     color: var(--fontcolorhover, white) !important;
     background: var(--fontcolorhoverdark, black) !important;
 }
+
+/* 
+ * mise à jour du thème pour le bandeau escamotable #31431 
+ */
+
+    nav.navbarsmall {
+        background: white !important;
+    }
+
+    .navbarsmall .navbar-brand {
+        color: black !important;
+        font-family: var(--fontfacetitle);
+    }
+
+    .navbarsmall #logo {
+        float: left !important;
+        top: 0px !important;
+        left: 0px !important;
+        position: relative !important;
+    }
+    .navbarsmall {
+        height: 50px !important;
+        overflow-y: hidden;
+    }
+    .navbarsmall .nav.navbar-top-links.navbar-right > li a {font-size: 1.5em; }
+
+    .navbarsmall .title img { margin-left:-300px !important;}
+    .navbarsmall small {
+        top: 18px !important;
+        font-size: 0.5em;
+    }
+
+    .navbarsmall .nav.navbar-top-links.navbar-left li {
+        display: block;
+    }
+
+    .navbarsmall a.navbar-brand {
+        line-height: 27px !important;
+        transition:line-height 0.5s ease;
+        font-size: 1.3em;
+        margin-left: -90px;
+        margin-top: -3px;
+    }
+
+    .navbarsmall #logo {
+        /* remplacer l'image en définissant une image de background */
+        /* et en positionnant un padding de la largeur de l'image */
+        display: block;
+        -moz-box-sizing: border-box;
+        box-sizing: border-box;
+        background: var(--logo) no-repeat;
+        width: 62px; /* Width of new image */
+        height: 23px !important; /* Height of new image */
+        padding-left: 62px; /* Equal to width of new image */
+        margin-top: -1px;
+        margin-left: 86px;
+        margin-right: 14px;
+    }
+    .navbarsmall .avatar {height: 25px; }