@header-height: 52px;

.avatar {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  vertical-align: middle;
}

.basic-shell {
  min-height: 100vh;
  .next-shell-header {
    height: @header-height;
  }
  .next-shell-main {
    flex: 1;
    display: flex;
    flex-flow: column;
    min-height: calc(100% - @header-height);
    .next-shell-sub-main {
      flex: 1;
    }
  }
}