Layout with Flexbox.

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Blog Layout with Flexbox</title>
  <style>
    body {
      font-family: Arial, sans-serif;
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }
    .container {
      display: flex;
      flex-direction: column;
      min-height: 100vh;
    }
    header, footer {
      background: #ff7575;
      color: #090909;
      text-align: center;
      padding: 1em;
    }
    .main-content {
      display: flex;
      flex: 1;
      flex-wrap: wrap;
      padding: 1em;
    }
    .sidebar, .content {
      flex: 1;
      padding: 1em;
      margin: 0.5em;
      background: #b5ee83;
    }
    .sidebar {
      flex: 0 0 25%;
    }
    .content {
      flex: 0 0 70%;
    }
    @media (max-width: 768px) {
      .sidebar, .content {
        flex: 1 0 100%;
      }
    }
  </style>
</head>
<body>
  <div class="container">
    <header>
      <h1>My Blog</h1>
    </header>
    <div class="main-content">
      <div class="sidebar">
        <h2>About Me</h2>
        <p>This is the sidebar content.</p>
      </div>
      <div class="content">
        <h2>Blog Post Title</h2>
        <p>This is the main blog post content. Add your articles and blog posts here.</p>
      </div>
    </div>
    <footer>
      <p>&copy; 2024 CodeZillaYe</p>
    </footer>
  </div>
</body>
</html>