.details {
  height: 100%;
  display: flex;
  flex-flow: column nowrap;
  align-items: stretch;
  overflow: hidden;
}

.header {
  flex-shrink: 0;
  flex-grow: 0;
}

.content {
  flex-grow: 1;
  flex-shrink: 1;
  overflow-y: auto;
}