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css-mastery-16-master


			
				
					
						
						
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							<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Explaining nth-expression</title>
  <style id="nth-child" contenteditable>
    /**
    * the code that's used for stripes in the table. Try changing values!
    * (hint: it’s interactive when viewing the demo, using some 
    * HTML5 + CSS trickery!)
    */
    tbody tr:nth-child(3n+4) {
      background-color: #ddd;
    }
  </style>
  <style>
    /**
    * Styling for the editable code itself.
    * The "monospace, monospace" is a hack to get around a peculiar
    * browser default, that makes preformatted text like code
    * smaller than the surrounding text.
    */
    #nth-child {
      font-family: monospace, monospace;
      display: block;
      white-space: pre;
    }

    /* --- the rest here is not part of the example per se, just some table styling --- */
    body {
      font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    }
    head {
      display: block;
    }
    table {
      width: 600px;
      table-layout: fixed;
    }
    caption {
      font-style: italic;
      line-height: 1.8;
    }
    thead th {
      font-weight: bold;
      border-bottom: 1px solid;
    }
    tr td:first-child,
    tr th:first-child {
      width: 7em;
      text-align: center;
    }
    th, td {
      text-align: left;
      line-height: 1.4;
    }
    head title {
      display: block;
      font-size: 2rem;
      padding: 8px;
    }

  </style>
</head>
<body>

  <table>
    <caption>Evaluate what happens when n is a number, starting with 0...</caption>
    <thead>
      <tr>
        <th scope="col">Row &#8470;.</th>
        <th>Result</th>
      </tr>
    </thead>
    <tbody>
      <tr>
        <td>1</td>
        <td>Not matched</td>
      </tr>
      <tr>
        <td>2</td>
        <td>Not matched</td>
      </tr>
      <tr>
        <td>3</td>
        <td>Not matched</td>
      </tr>
      <tr>
        <td>4</td>
        <td>3 &times; 0 = 0. Add 4 and get a match for row &#8470; 4!</td>
      </tr>
      <tr>
        <td>5</td>
        <td>Not matched</td>
      </tr>
      <tr>
        <td>6</td>
        <td>Not matched</td>
      </tr>
      <tr>
        <td>7</td>
        <td>3 &times; 1 = 3. Add 4 and get a match for row &#8470; 7!</td>
      </tr>
      <tr>
        <td>8</td>
        <td>Not matched</td>
      </tr>
      <tr>
        <td>9</td>
        <td>Not matched</td>
      </tr>
      <tr>
        <td>10</td>
        <td>3 &times; 2 = 6. Add 4 and get a match for row &#8470; 10!</td>
      </tr>
    </tbody>
  </table>
</body>
</html>