body {
  margin:0;
  padding:0
}

#professor, #courseName, #lightbulbs, #menus, #Search { display:none; }

#printer_header { display:block; }

#page_body {
  left:0px; 
  top:35px;
  margin-top:0;
  padding-top:0
  }

.hr_narrow {
  margin:0;
  padding:0
}