.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 0 1rem;
  }
  .app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 2rem;
  }
  .sb-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 1rem 0;
  }
  .footer {
    text-align:center;
    padding:2rem 1rem;
    color: var(--text);
    background: transparent;
  }