html {
  height: 100%;

  border: none;
  /*
  border-left-style: solid;
  border-left-color: blue;
  border-left-width: 4px;
  */
}

body {
  margin: 0px;
  min-height: 100%;

  display: flex;
  flex-flow: column;

  border: none;
  /*
  border-left-style: solid;
  border-left-color: green;
  border-left-width: 4px;
  */
}

iframe {
  flex: auto;

  border: none;
  /*
  border-left-style: solid;
  border-left-color: red;
  border-left-width: 4px;
  */
}