Use padding instead of margin and rebuild css

Author: markusweigelt

Resources/Private/Less/structure.less

@@ -309,7 +309,7 @@ a {
         left: 33%;
         padding: 0;
         .tx-dlf-embedded3dviewer {
-            margin-top: 80px;
+            padding-top: 80px;
         }
         .tx-dlf-map {
             top: 0;