body {
  background: url("trans_rights_for_workgroups_2x.png") repeat, #C0C4C8;
  font-family: "MS Shell Dlg", "Tahoma", sans-serif;
  font-size: 24px;
}

h1 {
  text-align: center;
}

#header, #main-nav {
  display: flex;
  flex-flow: row wrap;
  justify-content: center;
}

#header {
  max-width: fit-content;
  margin: 50px auto;
  padding: 0px 25px;
}

#main-nav {
  margin: auto;
  max-width: 300px;
  padding: 0;
}

li {
  list-style: none;
}

.window {
  text-align: center;

  border-image-source: url('win31_window_frame.png');
  border-image-slice: 25 45 25 45;
  border-image-width: 25px 45px 25px 45px;
  border-image-outset: 25px 5px 5px 5px;
  border-image-repeat: round stretch;

  background-color: white;

  max-width: max-content;
  max-height: max-content;

  padding: 25px 25px;
  margin: 50px 25px;
}

#abelian_container {
  margin: 50px auto;
}

#abelian_iframe {
  width: 500px;
  height: 75px;
  padding: 0;
  margin: auto auto;
}

#progman {
  position: fixed;
  bottom: 15px;
  left: 15px;
  z-index: -1;
}