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  <title>CSS Reference: Box Sizing - Border-Box with specified width</title>
  <link rel="author" title="Scott Johnson" href="mailto:sjohnson@mozilla.com" />
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    .container {
      width: 300px;
      border: 2px solid black;
      position: absolute;
      left: 25px;
      top: 25px;
      background-color: red;