main {
  h1 {
    text-align: center;
    font-size: 32.4px;
    font-weight: normal;
    margin: 0;
  }

  h2 {
    margin: 10px 0 25px 0;
    font-size: 17.25px;
    font-weight: normal;
    color: rgb(216, 56, 0);
    text-align: center;
  }
  
  a{
    text-decoration: none;
    color: rgb(33, 150, 243);
    &:hover {
      color: rgb(153, 153, 153);
    }
  }

  .link-title{
    font-size: 21.6px;
  }

  .link-help{
    font-size: 16px;
  }

  .section{
    padding: 0 0 0 20px;
    list-style: none;
  }

  .chapter{
    padding: 0;
    list-style: none;
  }

  table {
    width: 100%;
    border-collapse: collapse;
    th{
      font-weight: bold;
      text-align: left;
      vertical-align: top;
      border: none;
      border-bottom: 1px solid #ccc;
      padding: 8px;
    }
    td{
      font-weight: 500;
      text-align: left;
      vertical-align: top;
      border: none;
      border-bottom: 1px solid #ccc;
      padding: 8px;
    }
    ul{
      list-style-type: "✓ ";
      margin: 0;
      padding-left: 1.5em;
    }
  }
  .table-title{
    font-size: 18.75px;
    font-weight: bold;
    text-align: center;
    border: 3px solid rgba(122, 122, 122, 0.48);
  }
  .link-button{
    font-size: 13px;
    font-weight: 500;
    background-color: rgb(59, 175, 218);
    text-decoration: none;
    border-radius: 100px;
    color: #fff;
    padding: 8px 12px;
    line-height: 3;
  }

  .test-your-environment{
    background-color: rgb(249, 246, 227);
    padding: 30px;
    text-align: center;
    .environment-title{
      font-size: 24px;
      font-weight: bold;
      margin: 0;
    }
    .environment-caption{
      font-size: 17.25px;
      color: rgb(216, 56, 0);
      margin-bottom: 40px;
    }
  }

  .environment-container{
    text-align: center;
    .environment-title{
      font-size: 17.25px;
      font-weight: bold;
      margin: 0;
    }
    .environment-caption{
      font-size: 13px;
      color: rgb(160, 160, 160);
      font-family: "comic sans ms", sans-serif;
      margin-bottom: 20px;
    }
  }
}