<div class="container">
  <img src="https://s3-us-west-2.amazonaws.com/s.cdpn.io/12005/balloon-sq8.jpg" alt="balloon">
    <p>Gumbo beet greens corn soko endive gumbo gourd. Parsley shallot courgette tatsoi pea sprouts fava bean collard greens dandelion okra wakame tomato. Dandelion cucumber earthnut pea peanut soko zucchini.</p>
</div>

body {
  max-width: 900px;
  margin: 0 auto;
  padding: 2em;
  font: 125% "Open sans", sans-serif;
}

img {
  float: left;
  margin: 0 1em 0 0;
}

.container {
  background-color: rgba(114,132,168,.2);
  border: 1px solid rgba(114,132,168,.3);
  padding: 1em;
  display: block flow-root; /*FIrefox 70 only*/
  display: flow-root; /* means the same as the above */
}