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HTML

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Adding Classes

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About the <head>

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Insecure Resource

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CSS

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CSS preprocessors help make authoring CSS easier. All of them offer things like variables and mixins to provide convenient abstractions.

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CSS Base

About CSS Base

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JavaScript

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Babel includes JSX processing.

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HTML 

              
                <div class="wrapper">
  <!-- Row 1: One box per column -->
  <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>

  <!-- Row 2: 2 boxes, each spanning 2 columns -->
  <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>

  <!-- Row 3: One box spans 3 columns, one box spans 1 column -->
  <figure class="span3">
    <div class="four"></div>
    <figcaption>
      <h2>Abstract 4</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>

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

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

CSS 

              
                .wrapper {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-template-rows: auto;
  gap: 4%;
}
.span2 {
  grid-column: span 2;
}
.span3 {
  grid-column: span 3;
}
.span4 {
  grid-column: span 4;
}







/* default styling, no changes needed here */

/* 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 

              
                /* Same instructions as before -- the HTML will tell you how many boxes per row. There should be 4 columns, just as we did with Flexbox.

However, this time, you should not need to mark each row individually. Because this is Grid, you should have enough markup here to set this up without adding extra divs.

You may need to add some classes to designate how large each box should be. Consider what your default value is - those boxes don't need a class. */
!
999px

Console