div#mainForm {
  display: block;
  width: calc(100vw - 64px);
  height: 100vh;
  min-width: 0;
  min-height: 0;
}
div#mainForm_contents {
  display: block;
  width: 100%;
}
div#mainForm_subContent, div#mainForm_mainContent {
  display: block;
  width: auto;
  height: calc(50% - 16px);
}
div#mainForm_bottomBar_leftButtons {
  display: none;
}
div#mainForm_bottomBar_rightButtons {
  display: flex;
  margin-left: auto;
}