gin: 20px;
      background-color: #3498db;
      color: #fff;
      text-align: center;
      line-height: 2;
      font-size: 24px;
    }
  </style>
</head>

<body>
  <div class="container">
    <h1>Grid Sizing</h1>
    <a class="item" href="./fixed-size.html">Fixed Size</a>
    <a class="item" href="./auto-size.html">Auto Size</a>
    <a class="item" href="./fractional-size.html">Fractional Size</a>
    <a class="item" href="./minmax-size.html">MinMax Size</a>
    <a class="item" href="./repeat.html">Rep