I Found it.
Just done following:
disabled following two files:
/yoursite.ch/components/com_spbooking/layouts/packages/topbar_filter.php_deaktiviert
/yoursite.ch/components/com_spbooking/layouts/packages/filter.php_deaktiviert
Edited following CSS:
/yoursite.ch/components/com_spbooking/assets/css/style.css
Row 2551 add:
padding-top: 275px;
/yoursite.ch/components/com_spbooking/assets/css/spbooking-structure.css
Row 1262
.spbooking .spbooking-col-lg-4 {
-webkit-box-flex: 0;
-ms-flex: 0 0 0;
flex: 0 0 0;
max-width: 0;
}
Row 1286
.spbooking .spbooking-col-lg-8 {
-webkit-box-flex: 0;
-ms-flex: 0 0 100%;
flex: 0 0 100%;
max-width: 100%;
}