Cards
Cards are flexible content containers.

Microsoft
                    Software and hardware
                  Empower every person and every organization on the planet to achieve more.
                  
                Apple
                    Hardware and software
                  
To make a contribution to the world by making tools for the mind that advance humankind.
                  
                
Google I/O
                    Software and hardware
                  An immersive, three-day experience focused on exploring the next generation of technology, mobile and beyond.
                
Surface Studio. Turn your desk into a Studio. Surface Studio is designed for the creative process.
                Apple
                    Hardware and software
                  To make a contribution to the world by making tools for the mind that advance humankind.
                  
Google
                    Software and hardware
                  Organize the world’s information and make it universally accessible and useful.
                  
Add a container element with the card class.
              And add child elements with the card-image, card-header, card-body and/or card-footer classes.
              The card-image can be placed in any position.
            
<div class="card">
  <div class="card-image">
    <img src="img/osx-el-capitan.jpg" class="img-responsive">
  </div>
  <div class="card-header">
    <div class="card-title h5">...</div>
    <div class="card-subtitle text-gray">...</div>
  </div>
  <div class="card-body">
    ...
  </div>
  <div class="card-footer">
    <button class="btn btn-primary">...</button>
  </div>
</div>