<ul>
  <li>Item 1</li>
  <li>Item 2</li>
  <li>Item 3</li>
</ul>

<ol>
  <li>Step 1</li>
  <li>Step 2</li>
  <li>Step 3</li>
</ol>

<style>
  body {
    background-color: #f2f2f2;
    font-family: 'Arial', sans-serif;
  }
  h1 {
    color: darkblue;
  }
  p {
    color: #333;
    font-size: 18px;
  }
</style>

<h1>Welcome to My Styled Page!</h1>
<p>CSS makes everything look better!</p>

<style>
  .highlight {
    color: red;
  }
  #main-heading {
    font-size: 28px;
    font-weight: bold;
  }
</style>

<h1 id="main-heading">Welcome to My Page!</h1>
<p class="highlight">This paragraph is highlighted in red!</p>

<style>
  h1 {
    font-family: 'Georgia', serif;
    color: darkgreen;
    text-align: center;
  }
  p {
    font-size: 16px;
    line-height: 1.5;
    color: #555;
  }
</style>

<h1>Beautiful Heading</h1>
<p>This is a paragraph with custom font size, line height, and color.</p>

<style>
  .box {
    width: 200px;
    padding: 20px;
    border: 5px solid blue;
    margin: 15px;
    background-color: lightgrey;
  }
</style>

<div class="box">
  <p>This is a box with padding, border, and margin.</p>
</div>

<style>
  .container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 300px;
    background-color: lightblue;
  }
</style>

<div class="container">
  <p>I'm perfectly centered!</p>
</div>

<style>
  .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 100px 100px;
    gap: 10px;
  }

  .box {
    background-color: lightblue;
    padding: 20px;
    text-align: center;
  }
</style>

<div class="container">
  <div class="box">Box 1</div>
  <div class="box">Box 2</div>
  <div class="box">Box 3</div>
  <div class="box">Box 4</div>
</div>