.pretix-widget-category-name 
{
  display: none;
}

.pretix-widget-voucher
{
  display: none;
}

@media only screen and (max-width: 768px) {
h2 [data-text-highlight]:not([data-text-highlight="none"])[data-text-highlight="line"]::before {
  display:none!important;
}
}