#contentwrap                                               {display:block; max-width:100%; margin:0 auto; padding:0;}
#spaltenwrap                                               {margin-top:80px;}
#contentwrap.masonrycontentwrap #spalte0                   {margin:0 5px;}

 .grid-sizer, .block.kachel                                {width:100%;}

@media only screen and (min-width: 500px) {
 .grid-sizer, .block.kachel                                {width:50%;}
}

@media only screen and (min-width: 600px) {
 .grid-sizer, .block.kachel                                {width:33.3333333%;}
}

@media only screen and (min-width: 900px) {
 .grid-sizer, .block.kachel                                {width:25%;}
}

@media only screen and (min-width: 1200px) {
 .grid-sizer, .block.kachel                                {width:20%;}
}