<div class="wrap">
  <div class="module"></div>
  <div class="module"></div>
  <div class="module"></div>
  <div class="module"></div>
</div>
.wrap {
  word-spacing: 1em;
  padding: 1em 0 0;
}
.module {
  background: lightsteelblue;
  height: 5em;
  width: 5em;
  display: inline-block;
  /* reset word-spacing so that text inside this box is spaced normally */
  word-spacing: normal;
}

External CSS

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External JavaScript

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