--- a/src/pyams_skin/resources/less/layout.less	Thu Apr 21 17:21:09 2016 +0200
+++ b/src/pyams_skin/resources/less/layout.less	Thu Apr 21 17:23:43 2016 +0200
@@ -223,13 +223,13 @@
 	}
 	.nav-tabs {
 		li {
-			a {
+			>a {
 				padding: 2px 10px 3px!important;
 				border-color: #ccc #ccc transparent;
 				box-shadow: 0px -2px 3px #ccc;
 				margin-top: 3px!important;
 			}
-			&.active a {
+			&.active >a {
 				margin-top: 3px!important;
 				padding: 2px 10px 3px!important;
 			}
@@ -245,8 +245,8 @@
 				z-index: 101;
 
 				.slider {
-					width: 170px;
-					margin: 0 10px;
+					width: ~"calc(100% - 10px)";
+					margin: 0 5px;
 				}
 			}
 		}