#sub                                                       {display:none;}
#titelleiste div:not(#titelWrap)                           {display:none;}                                  
#titelWrap                                                 {grid-column-start:1; grid-column-end:3;}
#titelleiste                                               {grid-template-columns:1fr; max-width:calc(340px + 900px + max(5vw,50px)); grid-gap:0; margin-bottom:0;}
#titelleiste h1.maintitle, #titelleiste h2.subtitle        {max-width:900px; margin:20px auto 0; text-align:center;}

#content-inner                                             {max-width:100%; grid-template-columns:1fr; }
#content-inner #spaltenwrap                                {max-width: calc(340px + 900px + max(5vw,50px)); margin:0 auto; grid-column-start:unset; grid-column-end:unset; grid-gap:50px max(5vw,50px); margin-top:50px;}
#content0                                                  {position:relative; max-width:900px; width:100%; margin:40px auto 0; grid-column-start:1; grid-column-end:2;}