JSFiddle - React, Tailwind, and code Playground

HTML

<body>
  <div id="main">
    <div id="wrapper">
      <div class="box"></div>
      <div class="box"></div>
      <div class="box"></div>
      <div class="box"></div>
      <div class="box"></div>
      <div class="box"></div>
      <div class="box"></div>
    </div>
  </div>
</body>

CSS

#main {
  background-color: rgba(255, 105, 180, 0.5);
  height: 100vh;
  padding: 10px;
}

#wrapper {
  background-color: blue;
  display: inline-block;
  padding: 5px;
}

.box {
  display: inline-block;
  background-color: red;
  width: 200px;
  height: 200px;
  margin: 5px;
}