<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div class="wrap">
    <div class="content one">내용1</div>
    <div class="content two">내용2</div>
  </div>
</body>
</html>
.wrap {
  border: 4px solid blue;
}

.content {
  margin: 5px;
  height: 20px;
  border: 2px solid green;
  float: left;
}

External CSS

This Pen doesn't use any external CSS resources.

External JavaScript

This Pen doesn't use any external JavaScript resources.