i have done this – but it doesn´t work. any other idea?

yes! that´s fine. thank you very much

.html_header_top.html_header_sticky #header {
  width: 89.84%!important;
}

#wrap_all {
border-right: 1px solid red;
border-left: 1px solid red;
}

…does not look good. logo area pushes to the right