diff --git a/slt1/css/desktop.css b/slt1/css/desktop.css
new file mode 100644
index 0000000..36eb556
--- /dev/null
+++ b/slt1/css/desktop.css
@@ -0,0 +1,127 @@
+#topmenu a {
+  color: inherit;
+}
+
+#topmenu {
+  background-color: black;
+  color: white;
+  font-weight: bold;
+  text-align: center;
+  position: fixed;
+  width: 100vw;
+  display: block;
+}
+
+
+#topmenu > .nav {
+  display: flex;
+  flex-flow: row nowrap;
+  justify-content: space-around;
+  padding: 0px;
+  margin: 0px;
+  position: relative;
+  align-items: center;
+  height: 40px;
+}
+
+#topmenu > .nav > li {
+  padding: 10px;
+  display: inline-block;
+  text-align: left;
+}
+
+#topmenu > .nav > li:hover {
+  background-color: white;
+  color: black;
+}
+
+#topmenu > .nav > li > .nav-child {
+  position: absolute;
+  display: none;
+  z-index: 10;
+  background-color: white;
+  margin: 10px 20px 10px 0px;
+  border: none;
+  padding: 0px;
+}
+
+#topmenu > .nav > li:hover > .nav-child {
+  display: block;
+  box-shadow: 3px 5px 5px 2px rgba(0,0,0,0.5);
+}
+
+#topmenu > .nav > li > .nav-child > li {
+  display: block;
+  padding: 10px;
+}
+
+#topmenu > .nav > li > .nav-child > li:hover {
+  background-color: gray;
+}
+
+
+#page {
+  padding-top: 35px;
+
+}
+
+/*
+ * Header line positioning
+ */
+
+#slideshow {
+  display: inline-block;
+}
+
+
+/*
+ * Content positioning
+ */
+
+#content {
+  display: flex;
+}
+
+#left_menu {
+  flex: 1 1 20%;
+  margin: 15px 0px 15px 5px;
+  display: block;
+}
+
+#main_column {
+  flex: 1 1 60%;
+  display: flex;
+  flex-flow: column nowrap;
+}
+
+#main_content{
+  flex: 1 1 100%;
+}
+
+#footline {
+  flex: none;
+}
+
+#right_column {
+  flex: 1 1 15%;
+  margin: 15px 5px 15px 0px;
+  display: block;
+}
+
+/*
+ * Footer positioning
+ */
+
+#mobile_menu {
+  display: none;
+}
+
+/*
+ * Debug
+ */
+
+/*#right_column,#left_menu,#main_content,#footline {
+    background-color: rgba(0,0,0,0.1);
+}*/
+
+
diff --git a/slt1/css/main.css b/slt1/css/main.css
index f9e6eb9..0e20f0e 100644
--- a/slt1/css/main.css
+++ b/slt1/css/main.css
@@ -1,277 +1,5 @@
+@import "visual.css";
 
-body {
-    margin: 0px;
-    height: 100vh
-}
-
-#page {
-    box-shadow: 30vw 0px 5vw -10vw green inset;
-}
-
-/*
- * Menu configuration
- */
-
-.nav {
-    padding: 0px;
-}
-
-.nav > li {
-    display: block;
-}
-
-.nav > li > .nav {
-    padding-left: 5px;
-    margin-left: 5px;
-    border-left: solid gray 1px;
-    font-size: smaller;
-}
-
-.nav > li > .nav > li > .nav {
-    font-size: x-small;
-}
-
-/*
- * Topmenu positioning and styling
- */
-
-#topmenu {
-	display: none;
-}
-@media only screen and ( min-width: 1000px){
-
-	#topmenu {
-		background-color: black;
-		color: white;
-		font-weight: bold;
-		text-align: center;
-		position: fixed;
-		width: 100vw;
-		display: block;
-	}
-
-
-	#topmenu > .nav {
-		display: flex;
-		flex-flow: row nowrap;
-		justify-content: space-around;
-		padding: 0px;
-		margin: 0px;
-		position: relative;
-		align-items: center;
-		height: 40px;
-	}
-
-	#topmenu > .nav > li {
-		padding: 10px;
-		display: inline-block;
-		text-align: left;
-	}
-
-	#topmenu > .nav > li:hover {
-		background-color: white;
-		color: black;
-	}
-	
-	#topmenu > .nav > li > .nav {
-		position: absolute;
-		display: none;
-		z-index: 10;
-		background-color: white;
-		margin: 10px 20px 10px 0px;
-		border: none;
-		padding: 0px;
-	}
-
-	#topmenu > .nav > li:hover > .nav {
-		display: block;
-		box-shadow: 3px 5px 5px 2px rgba(0,0,0,0.5);
-	}
-
-	#topmenu > .nav > li > .nav > li {
-		display: block;
-		padding: 10px;
-	}
-
-	#topmenu > .nav > li > .nav > li:hover {
-		background-color: gray;
-	}
-
-	
-	#page {
-		padding-top: 35px;
-		
-	}
-}
-
-/*
- * Header line positioning
- */
-
-#header {
-    display: flex;
-    flex-flow: row nowrap;
-    justify-content: space-between;
-}
-
-#header > div {
-    margin: 20px;
-    align-items: center;
-}
-
-#logo, #slideshow {
-    flex: 0;
-}
-
-#logo {
-	display: inline-block;
-}
-
-#slideshow {
-	display: none;
-}
-
-#logo > img {
-    height: 150px;
-}
-
-#slideshow > img {
-    height: 150px;
-}
-
-@media only screen and (min-width: 1000px) {
-	#slideshow {
-		display: inline-block;
-	}
-}
-
-
-/*
- * Content positioning
- */
-
-
-#left_menu {
-	display: none;
-}
-
-#main_column {
-	margin: 15px;
-}
-
-#right_column {
-	display: none;
-}
-
-#footline {
-	margin-top: 10px;
-}
-
-@media only screen and (min-width: 1000px) {
-
-	#content {
-		display: flex;
-	}
-
-	#left_menu {
-		flex: 1 1 20%;
-		margin: 15px 0px 15px 5px;
-		display: block;
-	}
-
-	#main_column {
-		flex: 1 1 60%;
-		display: flex;
-		flex-flow: column nowrap;
-	}
-	
-	#main_content{
-		flex: 1 1 100%;
-	}
-	
-	#footline {
-		flex: none;
-	}
-	
-	#right_column {
-		flex: 1 1 15%;
-		margin: 15px 5px 15px 0px;
-		display: block;
-	}
-
-}
-
-/*
- * Footer positioning
- */
-
-#footer {
-    background-color: black;
-    color: white;
-    text-align: center;
-    margin-top: 30px;
-    padding: 5px;
-}
-
-
-/*
- * Mobile menu positioning
- */
-
-#mobile_menu li > a {
-	margin: 5px 0px 5px 0px;
-	background-color: rgb(200,255,200);
-	padding: 0px;
-	display: block;
-}
-
-#mobile_menu li > a.selected {
-	background-color: rgb(150,255,150);
-}
-
-#mobile_menu .nav {
-	padding: 0px;
-	border: none;
-	margin-left: 0px;
-}
-
-#mobile_menu li {
-	margin-left: 5px;
-	margin-right: 5px;
-}
-
-#mobile_menu li > ul.nav {
-	margin-left: -5px;
-	margin-right: -5px;
-}
-
-#mobile_menu > .level-1 > li > ul {
-	display: flex;
-	flex-wrap: wrap;
-}
-
-#mobile_menu > .level-1 > li > ul > li {
-	display: inline-block;
-	flex: 1 1 40%;
-}
-
-#mobile_menu > .level-1 > li > ul > li > a {
-	display: block;
-}
-
-@media only screen and (min-width: 1000px)
-{
-	#mobile_menu {
-		display: none;
-	}
-}
-
-/*
- * Debug
- */
-
-/*#right_column,#left_menu,#main_content,#footline {
-    background-color: rgba(0,0,0,0.1);
-}*/
-
+@import "mobile.css";
 
+@import "desktop.css" ( min-width: 1000px);
diff --git a/slt1/css/mobile.css b/slt1/css/mobile.css
new file mode 100644
index 0000000..b49afe4
--- /dev/null
+++ b/slt1/css/mobile.css
@@ -0,0 +1,175 @@
+body {
+    margin: 0px;
+    height: 100.1vh;
+    display: flex;
+    flex-direction: column;
+}
+
+#page {
+    box-shadow: 30vw 0px 5vw -10vw green inset;
+    flex: 1;
+    display: flex;
+    flex-direction: column;
+}
+
+/*
+ * Menu configuration
+ */
+
+.nav, .nav-child {
+    padding: 0px;
+}
+
+.nav > li, .nav-child > li {
+    display: block;
+}
+
+.nav > li > .nav-child, .nav-child > li > .nav-child {
+    padding-left: 5px;
+    margin-left: 5px;
+    border-left: solid gray 1px;
+    font-size: smaller;
+}
+
+.nav > li > .nav-child .nav-child {
+    font-size: x-small;
+}
+
+/*
+ * Topmenu positioning and styling
+ */
+
+#topmenu {
+	display: none;
+}
+
+/*
+ * Header line positioning
+ */
+
+#header {
+    flex: 0;
+    display: flex;
+    flex-flow: row nowrap;
+    justify-content: space-between;
+}
+
+#header > div {
+    margin: 20px;
+    align-items: center;
+}
+
+#logo, #slideshow {
+    flex: 0;
+}
+
+#logo {
+	display: inline-block;
+}
+
+#slideshow {
+	display: none;
+}
+
+#logo > img {
+    height: 150px;
+}
+
+#slideshow > img {
+    height: 150px;
+}
+
+
+/*
+ * Content positioning
+ */
+
+#content {
+    flex: 1;
+}
+
+#left_menu {
+	display: none;
+}
+
+#main_column {
+	margin: 15px;
+}
+
+#right_column {
+	display: none;
+}
+
+#footline {
+	margin-top: 10px;
+}
+
+/*
+ * Footer positioning
+ */
+
+#footer {
+    flex: 0;
+  	background-color: black;
+    color: white;
+    text-align: center;
+    margin-top: 30px;
+    padding: 5px;
+}
+
+
+/*
+ * Mobile menu positioning
+ */
+
+#mobile_menu li > a {
+	margin: 5px 0px 5px 0px;
+	background-color: rgb(200,255,200);
+	padding: 0px;
+	display: block;
+    flex: 0;
+}
+
+#mobile_menu li.active > a {
+	background-color: rgb(150,255,150);
+}
+
+#mobile_menu .nav {
+	padding: 0px;
+	border: none;
+	margin-left: 0px;
+}
+
+#mobile_menu li {
+	margin-left: 5px;
+	margin-right: 5px;
+}
+
+#mobile_menu li > ul.nav {
+	margin-left: -5px;
+	margin-right: -5px;
+}
+
+#mobile_menu > .level-1 > li > ul {
+	display: flex;
+	flex-wrap: wrap;
+}
+
+#mobile_menu > .level-1 > li > ul > li {
+	display: inline-block;
+	flex: 1 1 40%;
+}
+
+#mobile_menu > .level-1 > li > ul > li > a {
+	display: block;
+}
+
+/*
+ * Debug
+ */
+
+/*#right_column,#left_menu,#main_content,#footline {
+    background-color: rgba(0,0,0,0.1);
+}*/
+
+
diff --git a/slt1/css/visual.css b/slt1/css/visual.css
new file mode 100644
index 0000000..e69de29
diff --git a/slt1/index.php b/slt1/index.php
index 0cc2f9b..f7534a3 100644
--- a/slt1/index.php
+++ b/slt1/index.php
@@ -11,8 +11,8 @@ $app = JFactory::getApplication();
 
 <head>
 
-<jdoc:include type="head" />
-<link rel="stylesheet" href="<?php echo $this->baseurl ?>/templates/system/css/system.css" type="text/css" />
+<jdoc:include type="head" />
+<link rel="stylesheet" href="<?php echo $this->baseurl ?>/templates/system/css/system.css" type="text/css" />
 <link rel="stylesheet" href="<?php echo $this->baseurl ?>/templates/<?php echo $this->template ?>/css/main.css" type="text/css" />
 
 
@@ -27,43 +27,43 @@ $app = JFactory::getApplication();
 <body>
 
 <div id='topmenu'>
-	<jdoc:include type="modules" style="xhtml" name="topmenu" />
+	<jdoc:include type="modules" style="none" name="topmenu" />
 </div> <!-- #topmenu -->
 
 <div id='page'>
 
 	<div id='header'>
 		<div id='logo'>
-			<img src='img/SLT_hoch_03.png'>
+			<img src='<?php echo $this->baseurl ?>/templates/<?php echo $this->template ?>/img/SLT_hoch_03.png'>
 		</div> <!-- #logo -->
 		<div id='slideshow'>
-			<jdoc:include type="modules" style="xhtml" name="slideshow" />
+			<jdoc:include type="modules" style="none" name="slideshow" />
 		</div> <!-- #slideshow -->
 	</div> <!-- #header -->
 	
 	<div id='mobile_menu'>
-		<jdoc:include type="modules" style="xhtml" name="mobile_menu" />
+		<jdoc:include type="modules" style="none" name="mobile_menu" />
 	</div>
 
 	<div id='content'>
 		<div id='left_menu'>
-			<jdoc:include type="modules" style="xhtml" name="left_menu" />
+			<jdoc:include type="modules" style="none" name="left_menu" />
 		</div> <!-- #left_menu -->
 		<div id='main_column'>
 			<div id='main_content'>
-				<jdoc:include type="component" style="xhtml" />
+				<jdoc:include type="component" style="none" />
 			</div>
 			<div id='footline'>
-				<jdoc:include type="modules" style="xhtml" name="footline" />
+				<jdoc:include type="modules" style="none" name="footline" />
 			</div> <!-- #footline -->
 		</div><!-- main_column -->
 		<div id='right_column'>
-			<jdoc:include type="modules" style="xhtml" name="right_column" />
+			<jdoc:include type="modules" style="none" name="right_column" />
 		</div><!-- #right_column -->
 	</div> <!-- #content -->
 
 	<div id='footer'>
-		<jdoc:include type="modules" style="xhtml" name="footer" />
+		<jdoc:include type="modules" style="none" name="footer" />
 	</div> <!-- #footer -->
 	
 </div> <!-- #page -->
diff --git a/slt1/templateDetails.xml b/slt1/templateDetails.xml
index 2932f40..337b7c2 100644
--- a/slt1/templateDetails.xml
+++ b/slt1/templateDetails.xml
@@ -75,7 +75,7 @@
       <field name="unser_header_bild"
                     type="media"
                     default=""
-                    label="Label"
+                    label="Label3"
                     description="Description"
                     filter="string"
                     />
@@ -90,8 +90,7 @@
     </fields>
   </config>
   <!-- Parameter Block ende -->
-  
-   <updateservers>
-    <server type="extension" name="Private SLT-Update-Site">http://localhost/slt-update/slt.xml</server>
+  <updateservers>
+  		<server type="extension" name="slt" priority="1">http://localhost/slt-update/slt.xml</server>
   </updateservers>
-</extension>
\ No newline at end of file
+</extension>