.app {
  font-family: sans-serif;
  min-width: 400px;
  max-width: 600px;
  margin: 50px auto;

  .gutter-left {
    margin-left: 9px;
  }

  .col-span-2 {
    grid-column: span 2;
  }

  .flex {
    display: flex;
    align-items: center;
    justify-content: center;
  }

  header {
    background-color: #143055;
    color: white;
    padding: 5px;
    border-radius: 3px;
  }

  main {
    padding: 0 36px;
  }

  p {
    text-align: center;
  }

  h1 {
    text-align: center;
    margin-left: 18px;
    font-size: 24px;
  }

  h2 {
    text-align: center;
    font-size: 20px;
    margin: 40px 0 10px 0;
  }

  pre {
    padding: 9px;
    border-radius: 4px;
    background-color: black;
    color: #eee;
  }

  details {
    border-radius: 4px;
    color: #333;
    background-color: rgba(0, 0, 0, 0);
    border: 1px solid rgba(0, 0, 0, 0.12);
    padding: 3px 9px;
    margin-bottom: 9px;
  }

  summary {
    outline: none;
    height: 36px;
    line-height: 36px;
    cursor: pointer;
  }

  .resources {
    text-align: center;
    list-style: none;
    padding: 0;
    display: grid;
    grid-gap: 9px;
    grid-template-columns: 1fr 1fr;

    .resource {
      color: #0094ba;
      height: 36px;
      background-color: rgba(0, 0, 0, 0);
      border: 1px solid rgba(0, 0, 0, 0.12);
      border-radius: 4px;
      padding: 3px 9px;
      text-decoration: none;

      &:hover {
        background-color: rgba(68, 138, 255, 0.04);
      }
    }
  }

  .github-star-container {
    margin-top: 12px;
    line-height: 20px;

    a {
      display: flex;
      align-items: center;
      text-decoration: none;
      color: #333;
    }
  }

  .github-star-badge {
    color: #24292e;
    display: flex;
    align-items: center;
    font-size: 12px;
    padding: 3px 10px;
    border: 1px solid rgba(27, 31, 35, 0.2);
    border-radius: 3px;
    background-image: linear-gradient(-180deg, #fafbfc, #eff3f6 90%);
    margin-left: 4px;
    font-weight: 600;

    &:hover {
      background-image: linear-gradient(-180deg, #f0f3f6, #e6ebf1 90%);
      border-color: rgba(27, 31, 35, 0.35);
      background-position: -0.5em;
    }

    .material-icons {
      height: 16px;
      width: 16px;
      margin-right: 4px;
    }
  }
}
