To custom layout multiple cards, you can use CSS Flexbox or CSS Grid. CSS Flexbox is a layout model that arranges elements in a flexible way, either horizontally or vertically. CSS Grid is a two-dimensional layout model that allows you to create grid layouts with column and row placement.

Here's an example of how you can use CSS Flexbox to custom layout multiple cards:

css
 
 
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.container {
  display: flex;
  flex-wrap: wrap;
}

.card {
  width: 200px;
  height: 300px;
  margin: 10px;
}

In this example, the .container class represents the container element that holds the cards. By setting display: flex;, the cards will be arranged in a row by default. If the content exceeds the width of the container, the cards will wrap to the next line due to flex-wrap: wrap;.

The .card class represents each individual card. In this example, each card has a fixed width and height of 200px and 300px respectively, with a margin of 10px to create spacing between them. You can customize the width, height, and margin values according to your requirements.

Here's an example of how you can use CSS Grid to custom layout multiple cards:

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.container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.card {
  width: 200px;
  height: 300px;
}

In this example, the .container class represents the container element that holds the cards. By setting display: grid;, the cards will be arranged in a grid layout. The grid-template-columns property specifies the width of each column in the grid. In this case, repeat(3, 1fr) creates three columns with equal width. The gap property determines the spacing between the cards.

The .card class represents each individual card. In this example, each card has a fixed width and height of 200px and 300px respectively. You can customize the width and height values according to your requirements.

Remember to replace the class names (.container and .card) with your own class names and adjust the CSS properties to achieve your desired layout.

Feel free to let me know if you have any further questions!

To display three Bootstrap cards in columns, you can use the col class with a value of 4 for each card.

Here's an example using Bootstrap 4:

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<div class="container">
  <div class="row">
    <div class="col-md-4 mb-3">
      <div class="card">
        <div class="card-body">
          <h5 class="card-title">Card 1</h5>
          <p class="card-text">This is the first card.</p>
        </div>
      </div>
    </div>
    <div class="col-md-4 mb-3">
      <div class="card">
        <div class="card-body">
          <h5 class="card-title">Card 2</h5>
          <p class="card-text">This is the second card.</p>
        </div>
      </div>
    </div>
    <div class="col-md-4 mb-3">
      <div class="card">
        <div class="card-body">
          <h5 class="card-title">Card 3</h5>
          <p class="card-text">This is the third card.</p>
        </div>
      </div>
    </div>
  </div>
</div>

In this example, each card is wrapped in a div element with the col-md-4 class, which sets the width to one third of the container (since there are three columns) on medium-sized devices and larger. The mb-3 class adds margin to the bottom of each card for spacing.

You can adjust the col class depending on the number of columns you want to display.

Sure, you can use Bootstrap's Card component to achieve this. First, include the Bootstrap CSS and JS files in your HTML file. You can find the links and instructions on how to do this on the Bootstrap website.

Here's an example code snippet that creates two Bootstrap cards with an icon and a text:

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<div class="container">
  <div class="row">
    <div class="col-md-6">
      <div class="card">
        <div class="card-body">
          <i class="fas fa-laptop-code fa-3x"></i>
          <h5 class="card-title mt-3">Web Development</h5>
          <p class="card-text">Learn how to build websites from scratch with HTML, CSS, and JavaScript.</p>
        </div>
      </div>
    </div>
    <div class="col-md-6">
      <div class="card">
        <div class="card-body">
          <i class="fas fa-mobile-alt fa-3x"></i>
          <h5 class="card-title mt-3">Mobile Development</h5>
          <p class="card-text">Build native and hybrid mobile apps for iOS and Android with React Native.</p>
        </div>
      </div>
    </div>
  </div>
</div>

In this example, we use Font Awesome icons to display the icon. You'll need to include the Font Awesome CSS file in your HTML as well.

Here's a link to the Bootstrap Cards component documentation: https://getbootstrap.com/docs/5.0/components/card/

And here's a link to the Font Awesome website: https://fontawesome.com/

Here's an example code for a blog page with 3 cards and a sidebar using Bootstrap:

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<!DOCTYPE html>
<html>
    <head>
        <title>My Blog Page</title>
        <!-- Bootstrap CSS -->
        <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/css/bootstrap.min.css">
    </head>
    <body>
        <!-- Navbar section -->
        <nav class="navbar navbar-expand-lg navbar-dark bg-dark">
            <a class="navbar-brand" href="#">My Blog</a>
            <button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
                <span class="navbar-toggler-icon"></span>
            </button>

            <div class="collapse navbar-collapse" id="navbarSupportedContent">
                <ul class="navbar-nav mr-auto">
                    <li class="nav-item">
                        <a class="nav-link" href="#">Home</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">About</a>
                    </li>
                    <li class="nav-item">
                        <a class="nav-link" href="#">Contact</a>
                    </li>
                </ul>
            </div>
        </nav>

        <!-- Blog cards section -->
        <div class="container">
            <h2 class="my-4">Recent posts</h2>
            <div class="row">
                <div class="col-md-4 mb-4">
                    <div class="card">
                        <img class="card-img-top" src="https://via.placeholder.com/300x200" alt="Card image cap">
                        <div class="card-body">
                            <h5 class="card-title">Blog post 1</h5>
                            <p class="card-text">This is a brief description of blog post 1.</p>
                            <a href="#" class="btn btn-primary">Read More &rarr;</a>
                        </div>
                     </div>
                </div>
                <div class="col-md-4 mb-4">
                    <div class="card">
                        <img class="card-img-top" src="https://via.placeholder.com/300x200" alt="Card image cap">
                        <div class="card-body">
                            <h5 class="card-title">Blog post 2</h5>
                            <p class="card-text">This is a brief description of blog post 2.</p>
                            <a href="#" class="btn btn-primary">Read More &rarr;</a>
                        </div>
                     </div>
                </div>
                <div class="col-md-4 mb-4">
                    <div class="card">
                        <img class="card-img-top" src="https://via.placeholder.com/300x200" alt="Card image cap">
                        <div class="card-body">
                            <h5 class="card-title">Blog post 3</h5>
                            <p class="card-text">This is a brief description of blog post 3.</p>
                            <a href="#" class="btn btn-primary">Read More &rarr;</a>
                        </div>
                     </div>
                </div>
            </div>
        </div>

        <!-- Sidebar section -->
        <div class="container my-4">
            <div class="row">
                <div class="col-md-4">
                    <h2 class="my-4">Recent posts</h2>
                    <ul class="list-group">
                        <li class="list-group-item">Blog post 1</li>
                        <li class="list-group-item">Blog post 2</li>
                        <li class="list-group-item">Blog post 3</li>
                    </ul>
                </div>
                <div class="col-md-4">
                    <h2 class="my-4">Categories</h2>
                    <ul class="list-group">
                        <li class="list-group-item">Category 1</li>
                        <li class="list-group-item">Category 2</li>
                        <li class="list-group-item">Category 3</li>
                    </ul>
                </div>
            </div>
        </div>

        <!-- Bootstrap JS -->
        <script src="https://code.jquery.com/jquery-3.5.1.slim.min.js"></script>
        <script src="https://cdn.jsdelivr.net/npm/popper.js@1.16.0/dist/umd/popper.min.js"></script>
        <script src="https://maxcdn.bootstrapcdn.com/bootstrap/4.5.0/js/bootstrap.min.js"></script>
    </body>
</html>

Explanation:

• The code begins with the usual HTML head and body tags.
• The Bootstrap CSS is added through a link tag in the head section.

You can stack Bootstrap cards horizontally inside columns by using the flex-row class on the row containing the columns. Below is an example.

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<div class="row flex-row">
  <div class="col-sm-4">
    ...card elements
  </div>
  <div class="col-sm-4">
    ...card elements
  </div>
  <div class="col-sm-4">
    ...card elements
  </div>
</div>

For more information, see the Bootstrap documentation.

Bootstrap cards can be stacked horizontally by adding the class d-flex flex-row to the container div. This will set the container to be a "flex container". Then the cards can be aligned horizontally by adding the class mx-auto to each individual div element.

For example:

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<div class="d-flex flex-row">
  <div class="card mx-auto">...Your Content...</div>
  <div class="card mx-auto">...Your Content...</div>
  <div class="card mx-auto">...Your Content...</div>
</div>

For more information, please refer to the Bootstrap 4 documentation: https://getbootstrap.com/docs/4.5/layout/flexbox/

Yes, you can use the :hover on Bootstrap cards. To do so, use the following code:

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.card:hover {     
  cursor: pointer; 
  box-shadow:  0 8px 16px 0 rgba(0,0,0,0.2);
}