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HTML

              
                <!-- Row 1: One box per column -->
<div class="row reverse">
  <figure>
    <div class="one"></div>
    <figcaption>
      <h2>Abstract 1</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
  <figure>
    <div class="two"></div>

    <figcaption>
      <h2>Abstract 2</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
  <figure>
    <div class="three"></div>

    <figcaption>
      <h2>Abstract 3</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
  <figure>
    <div class="four"></div>

    <figcaption>
      <h2>Abstract 4</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
</div>

<!-- Row 2: 2 boxes, each spanning 2 columns -->
<div class="row">
  <figure class="span2">
    <div class="three"></div>

    <figcaption>
      <h2>Abstract 3</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
  <figure class="span2">
    <div class="one"></div>

    <figcaption>
      <h2>Abstract 1</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
</div>

<!-- Row 3: One box spans 3 columns, one box spans 1 column -->
<div class="row">
  <figure class="span3">
    <div class="four"></div>

    <figcaption>
      <h2>Abstract 4</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
  <figure class="grow">
    <div class="two"></div>

    <figcaption>
      <h2>Abstract 2</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
</div>

<!-- Row 4: One box spans 4 columns -->
<div class="row">
  <figure class="span4">
    <div class="three"></div>
    <figcaption>
      <h2>Abstract 3</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
</div>

<!-- Row 5: 3 boxes, 1-2-1 distribution -->
<div class="row">
  <figure class="order-3">
    <div class="four"></div>
    <figcaption>
      <h2>Abstract 4</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
  <figure class="span2 order-1 grow">
    <div class="two"></div>

    <figcaption>
      <h2>Abstract 2</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
  <figure class="order-2">
    <div class="one"></div>

    <figcaption>
      <h2>Abstract 1</h2>
      <p>Lorem ipsum dolor sit amet.</p>
    </figcaption>
  </figure>
</div>
              
            
!

CSS

              
                /* Remember what's outside the media query is for mobile devices. The fundamental row declaration doesn't change. */
.row figure {
  margin-bottom: 2rem;
}

@media (min-width: 600px) {
  .row figure {
    margin: 0;
  }
  .row {
    display: flex;
    flex-flow: row wrap;
    justify-content: space-between;
  }
  figure,
  .span2 {
    flex-basis: 48%;
  }
  /* place .grow last - overrides previous declarations at this dimension */
  .span3, .span4, .grow {
    flex-basis: 100%;
  }
}
@media (min-width: 1000px) {
  /* place .grow first and set basis to auto - this allows later specific declarations to take effect */
  .grow {
    flex-basis: auto;
  }
  figure {
    flex-basis: 22%;
  }
  .span2 {
    flex-basis: 48%;
  }
  .span3 {
    flex-basis: 74%;
  }
  .span4 {
    flex-basis: 100%;
  }

}

/* outside the MQ's since they apply at all dimensions */
.reverse {
  flex-flow: row-reverse wrap;
}
.order-1 {
  order: 1;
}
.order-2 {
  order: 2;
}
.order-3 {
  order: 3;
}

/* default styling, no changes needed here, even with responsive design */

/* set the layout to border box model */
html {
  box-sizing: border-box;
}
*,
*::before,
*::after {
  box-sizing: inherit;
}
/* set font family and background gradient */
body {
  padding: 0;
  border: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(
    353deg,
    rgba(148, 210, 189, 1) 40%,
    rgba(61, 147, 151, 1) 100%
  );
}

/* Turn off margin, set by browser */
figure {
  margin: 0;
  padding: 0;
}
/* caption styling  */
figcaption {
  background-color: #001219;
  color: white;
  padding: 1rem;
}
/* reduces the top margin on the h2, bottom on the p, and leaves a 0.5rem gap between the two */
figcaption * {
  margin: 0.5rem;
}
/* sets the background SVG for all divs, regardless of color */
figure > div {
  background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 56 28" width="56" height="28"%3E%3Cpath fill="%239C92AC" fill-opacity="0.4" d="M56 26v2h-7.75c2.3-1.27 4.94-2 7.75-2zm-26 2a2 2 0 1 0-4 0h-4.09A25.98 25.98 0 0 0 0 16v-2c.67 0 1.34.02 2 .07V14a2 2 0 0 0-2-2v-2a4 4 0 0 1 3.98 3.6 28.09 28.09 0 0 1 2.8-3.86A8 8 0 0 0 0 6V4a9.99 9.99 0 0 1 8.17 4.23c.94-.95 1.96-1.83 3.03-2.63A13.98 13.98 0 0 0 0 0h7.75c2 1.1 3.73 2.63 5.1 4.45 1.12-.72 2.3-1.37 3.53-1.93A20.1 20.1 0 0 0 14.28 0h2.7c.45.56.88 1.14 1.29 1.74 1.3-.48 2.63-.87 4-1.15-.11-.2-.23-.4-.36-.59H26v.07a28.4 28.4 0 0 1 4 0V0h4.09l-.37.59c1.38.28 2.72.67 4.01 1.15.4-.6.84-1.18 1.3-1.74h2.69a20.1 20.1 0 0 0-2.1 2.52c1.23.56 2.41 1.2 3.54 1.93A16.08 16.08 0 0 1 48.25 0H56c-4.58 0-8.65 2.2-11.2 5.6 1.07.8 2.09 1.68 3.03 2.63A9.99 9.99 0 0 1 56 4v2a8 8 0 0 0-6.77 3.74c1.03 1.2 1.97 2.5 2.79 3.86A4 4 0 0 1 56 10v2a2 2 0 0 0-2 2.07 28.4 28.4 0 0 1 2-.07v2c-9.2 0-17.3 4.78-21.91 12H30zM7.75 28H0v-2c2.81 0 5.46.73 7.75 2zM56 20v2c-5.6 0-10.65 2.3-14.28 6h-2.7c4.04-4.89 10.15-8 16.98-8zm-39.03 8h-2.69C10.65 24.3 5.6 22 0 22v-2c6.83 0 12.94 3.11 16.97 8zm15.01-.4a28.09 28.09 0 0 1 2.8-3.86 8 8 0 0 0-13.55 0c1.03 1.2 1.97 2.5 2.79 3.86a4 4 0 0 1 7.96 0zm14.29-11.86c1.3-.48 2.63-.87 4-1.15a25.99 25.99 0 0 0-44.55 0c1.38.28 2.72.67 4.01 1.15a21.98 21.98 0 0 1 36.54 0zm-5.43 2.71c1.13-.72 2.3-1.37 3.54-1.93a19.98 19.98 0 0 0-32.76 0c1.23.56 2.41 1.2 3.54 1.93a15.98 15.98 0 0 1 25.68 0zm-4.67 3.78c.94-.95 1.96-1.83 3.03-2.63a13.98 13.98 0 0 0-22.4 0c1.07.8 2.09 1.68 3.03 2.63a9.99 9.99 0 0 1 16.34 0z"%3E%3C/path%3E%3C/svg%3E');
  width: 100%;
  min-height: 150px;
}
/* sets a specific background color for each div */
.one {
  background-color: #9b2226;
}
.two {
  background-color: #bb3e03;
}
.three {
  background-color: #ee9b00;
}
.four {
  background-color: #005f73;
}

              
            
!

JS

              
                
              
            
!
999px

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