fix #19 Animation geht nun

src/sass/_mobil.sass

@@ -9,14 +9,14 @@ $ulBorderM: 3px ridge darkgreen
         height: 50%
         position: absolute 
         //float: none
-        background-color: #fff
-        max-height: 0
-        transition: all 0.4s ease-in
-        border-left: $ulBorderM
-        border-right: $ulBorderM
+        //background-color: #fff
+        max-width: 0
+        transition: all 0.3s ease-in-out
+        //border: $ulBorderM
         border-radius: 2rem
         overflow: hidden
         right: 0
+        //display: none
         
 
         ul
@@ -24,7 +24,7 @@ $ulBorderM: 3px ridge darkgreen
             background: none
             border: none
             box-shadow: none
-            
+            display: none 
 
         li
             float: none
@@ -100,9 +100,14 @@ $ulBorderM: 3px ridge darkgreen
 
     .side-menu:checked ~
         nav
-            max-height: 100%
-            border-top: $ulBorderM
-            border-bottom: $ulBorderM
+            max-width: 100%
+            display: block
+            border: $ulBorderM
+            border-right: none
+            background: #fff
+            
+            ul
+                display: inline-block 
             
 
         .hamb .hamb-line