<div class="grid">
  <div>Item one</div>
  <div>Item Two</div>
  A string of text with a <span>span element</span> in the middle.
</div>
This string of text follows the grid.

body {
  padding: 50px;
  font: 1em Helvetica Neue, Helvetica, Arial, sans-serif;
}

.grid {
  border: 5px solid rgb(111,41,97);
  display: inline-grid;
  width: 500px;
}

.grid > * {
  background-color: rgba(111,41,97,.4);
  border-radius: 5px;
  padding: 10px;
}