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HTML

              
                <header class="container-fluid">
  <h1>Working with Columns and Row Columns</h1>
</header>

<section class="">
  <h2 class="alert  alert-success text-success-emphasis w-50 mx-auto">Below is a div with a class of container</h2>
  
  <div class="container">
    <!--     Row 1 -->
    <div class="row">
      <div class="col-4 border border-danger ">
        <!--What this means is the columns will collapse on small screens less than 576px wide or the 
 other way to think about it is the column will take up 4 spaces on the 12 space grid when the screen size
gets to 576px or greater-->
        <h3>Column 1</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      
      <div class="col-2 border border-danger ">
        <h3>Column 2</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      
      <div class="col-4 border border-danger">
        <h3>Column 3</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
    </div>

    <!--     Row 2 -->
    <div class="row">
      <div class="col-6">
        <h3 class="text-danger-emphasis">Column 4</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      <div class="col-6">
        <h3>Column 5</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>

    </div>

    <!--   row 3 -->
    <div class="row row-cols-1 row-cols-md-3 row-cols-xl-5 bg-dark text-light p-3">
      <div class="col ">
        <h3>Column 6</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      <div class="col ">
        <h3>Column 7</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      <div class="col ">
        <h3>Column 8</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      <div class="col ">
        <h3>Column 9</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      <div class="col ">
        <h3>Column 10</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      <div class="col ">
        <h3>Column 11</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      <div class="col ">
        <h3>Column 12</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      <div class="col ">
        <h3>Column 13</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>
      <div class="col ">
        <h3>Column 14</h3>
        <p>Lorem ipsum dolor sit amet, consectetur adipisicing elit. Lorem ipsum dolor sit amet, consectetur adipisicing eli. Lorem ipsum dolor sit amet, consectetur adipisicing eli.</p>
      </div>

    </div>
  </div>
</section>

<!--     lets work with row cols here and also with https://robohash.org/-->

<section class="container-fluid bg-secondary">
  <div class="row  row-cols-1 row-cols-md-3 mx-auto justify-content-center">
    <div class="col card order-5 border rounded m-2"><img src="https://robohash.org/nick1" alt="robot" class="img-fluid"></div>
    <div class="col border rounded m-2"><img src="https://robohash.org/nick2" alt="robot" class="img-fluid"></div>
    <div class="col border rounded m-2"><img src="https://robohash.org/nick3" alt="robot" class="img-fluid"></div>
    <div class="col border rounded m-2"><img src="https://robohash.org/nick4" alt="robot" class="img-fluid"></div>
    <div class="col border rounded m-2"><img src="https://robohash.org/nick5" alt="robot" class="img-fluid"></div>
    <div class="col border rounded m-2"><img src="https://robohash.org/nick6" alt="robot" class="img-fluid"></div>
    
  
  
  
  
  
  
  </div>
</section>


<section class="container mt-5">
  <div class="card w-50">
 
  <div class="card-body">
    <h5 class="card-title">Kevin Blow</h5>
    <p class="card-text">With supporting text below as a natural lead-in to additional content.</p>
    <a href="#" class="btn btn-primary">Social Link</a>
  </div>
</div>
</section>
              
            
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