.two_buttons_excel_liste {
  display: flex; 
  flex-direction: row;
  width: 100%;
  justify-content: center;
  background-color: transparent;
}

#page_body_excel_liste {
  display: flex !important; 
  flex-direction: column !important;
  height: 100% !important;
  width: 100% !important;
  background-color: transparent !important;
  margin: 0px !important;
  align-items: center;
  justify-content: center;
}