.root {
  width: 100%;
  height: 100%;
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.header,
.footer {
  flex: 0 0 auto;
  min-width: 0;
}

.body {
  flex: 1 1 auto;
  min-width: 0;
  min-height: 0;
  overflow: hidden;
}