title: How to remove box shadow between two divs to be like on same plane?
body: <p>I would like to build an installer application with several steps.</p>
  <p>When I applied box shadow, the adjacent part behaves not as I expected.</p>
  <p>How to make adjacent divs look like on same plane?</p>
  <p><div class="snippet" data-lang="js" data-hide="false" data-console="true" data-babel="false">
  <div class="snippet-code">
  <pre class="snippet-code-css lang-css prettyprint-override"><code>.step,
  .content {
    box-shadow: 0 2px 8px 0 rgb(0 0 0 / 16%);
  }
  
  .step {
    width: 100px;
    height: 30px;
    border-radius: 39px 0 0 39px;
    margin-bottom: 5px;
  }
  
  .content {
    width: 300px;
    height: 200px;
  }
  
  .dialog {
    display: flex;
    
  }
  
  .steps {
    display: flex;
    flex-direction: column;
  }</code></pre>
  <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;div class="dialog"&gt;
    &lt;div class="steps"&gt;
      &lt;div class="step"&gt;&lt;/div&gt;
      &lt;div class="step"&gt;&lt;/div&gt;
      &lt;div class="step"&gt;&lt;/div&gt;
      &lt;div class="step"&gt;&lt;/div&gt;
    &lt;/div&gt;
    &lt;div class="content"&gt;&lt;/div&gt;
  &lt;/div&gt;</code></pre>
  </div>
  </div>
  </p>
  <p>Here is the screenshot for expected behavior.</p>
  <p><img src="https://i.stack.imgur.com/NEpph.png" alt="preview" /></p>