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Step 10

curriculum/challenges/english/blocks/workshop-city-skyline/5d822fd413a79914d39e98d5.md

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--description--

Center the parts of your building by turning the .bb1 element into a flexbox parent. Use the flex-direction and align-items properties to center the children.

--hints--

You should not change the width or height properties of the .bb1 element.

js
const bb1Style = new __helpers.CSSHelp(document).getStyle('.bb1');
assert.equal(bb1Style?.width, '10%');
assert.equal(bb1Style?.height, '70%');

You should give the .bb1 element a display of flex.

js
const bb1Style = new __helpers.CSSHelp(document).getStyle('.bb1');
assert.equal(bb1Style?.display, 'flex');

You should give the .bb1 element a flex-direction of column.

js
const bb1Style = new __helpers.CSSHelp(document).getStyle('.bb1');
assert.equal(bb1Style?.flexDirection, 'column');

You should give the .bb1 element a align-items of center.

js
const bb1Style = new __helpers.CSSHelp(document).getStyle('.bb1');
assert.equal(bb1Style?.alignItems, 'center');

--seed--

--seed-contents--

html
<!DOCTYPE html>
<html lang="en">    
  <head>
    <meta charset="UTF-8">
    <title>City Skyline</title>
    <link href="styles.css" rel="stylesheet" />   
  </head>

  <body>
    <div class="background-buildings">
      <div class="bb1">
        <div class="bb1a"></div>
        <div class="bb1b"></div>
        <div class="bb1c"></div>
        <div class="bb1d"></div>
      </div>
    </div>
  </body>
</html>
css
* {
  border: 1px solid black;
  box-sizing: border-box;
}

body {
  height: 100vh;
  margin: 0;
  overflow: hidden;
}

.background-buildings {
  width: 100%;
  height: 100%;
}
--fcc-editable-region--
.bb1 {
  width: 10%;
  height: 70%;
}
--fcc-editable-region--
.bb1a {
  width: 70%;
  height: 10%;
}

.bb1b {
  width: 80%;
  height: 10%;
}

.bb1c {
  width: 90%;
  height: 10%;
}

.bb1d {
  width: 100%;
  height: 70%;
}