html, body, iframe {
  height: 100%;
}

body {
  margin: 0;
}

header {
  width: 100%;
  padding: 10px 0 0 0;
  margin: 0;
  background: white;
  font: 12px "Lucida Grande", sans-serif;
  border-bottom: 1px solid #dedede;
  overflow: hidden;
}

dl {
  margin: 0 0 10px 0;
  padding: 0;
}

dt {
  width: 80px;
  padding: 1px;
  float: left;
  clear: left;
  text-align: right;
  color: #7f7f7f;
}

dd {
  margin-left: 90px; /* 80px + 10px */
  padding: 1px;
}

dd:empty:before {
  content: "\00a0"; //  
}

th {
  font-weight: inherit;
  color: #7f7f7f;
  text-align: right;
  white-space: nowrap;
}

iframe {
  border: 0;
  width: 100%;
}

nav {
  padding: 8px;
}