#xtra                                                      {width:calc(30% - 25px); margin-left:25px; padding:25px; display:block; float:right; background:#fff; box-shadow:inset 0px 0px 0px 1px #ccc; -webkit-box-shadow:inset 0px 0px 0px 1px #ccc; -moz-box-shadow:inset 0px 0px 0px 1px #ccc; height:500px;}
#spalte02inner ul.submenu                                  {display:none;}
#spalte02inner ul.submenu3_template                        {display:none;}
@media screen and (min-width:850px) {
/*#spalte0                                                  {width:calc(70% - 220px); float:left; left:220px; position:relative;}*/
 #spaltenwrap                                              {width:70%; margin:100px 0 0; float:left; padding-left:80px; grid-template-columns:350px 1fr;}

/* Anpassung f alten Content */
 #spalte0                                                   {width: calc(100% - 375px); margin-right:25px; padding:0; float:left; left:unset; position:relative;}
}