tiptap/docs/src/layouts/App/style.scss

.app {
  display: flex;
  flex-direction: column;
  min-height: 100%;

  &__header {
    flex: 0 0 auto;
    padding: 2rem 0;
  }

  &__content {
    flex: 1 1 auto;
  }

  &__content-inner {
    display: flex;
  }

  &__sidebar {
    flex: 0 0 auto;
    width: 18rem;
  }

  &__main {
    flex: 1 1 auto;
    min-width: 0;
  }

  &__inner {
    max-width: 62rem;
    margin: 0 auto;
    padding: 0 1rem;
  }
}