body {
  background-color: #EEE;
}
.all {
  display: flex;
  flex-flow: column;
  height: 100vh;

}
.header {
  flex: 0 1 auto;
}

.rest_of_screen {
  flex: 1 1 auto;
}

#editor, iframe {
  min-height: 50vh;
}

iframe {
  border: 0;
  margin: 0;
  background-color: #222;
}

#download_codebook, #download_codebook_pdf {
  display: none;
}