JSFiddle - React, Tailwind, and code Playground

HTML

<div class="container">
  <div class="iframe">
    <!-- Sorry about the video -->
    <iframe src="https://www.youtube.com/embed/dQw4w9WgXcQ" frameborder="0" width="320" height="180"></iframe>
  </div>
  <div class="form">
    <div class="fake-form-content">
      Fake form content
    </div>
  </div>
</div>

SCSS

.container {
  display: flex;
}

.iframe {
  background: rgba(red, 0.5);
}

.form {
  background: rgba(orange, 0.5);
}

.fake-form-content {
  width: 200px;
  height: 250px;
}