#tox-edit-area {
  height: 100%;
}

html {
  width: 100%;
  height: 100% !important;
}

#tinymce {
  width: 100% !important;
  margin: 0 !important;
  padding: 20px !important;
  box-sizing: border-box !important;
  height: 100% !important;
  overflow: auto !important;
}