<div>
<section>
  <article class="left-side">
    <h1>Left Half</h1>
    <p>Weekends don't count unless you spend them doing something completely pointless.</p>
  </article>

  <article class="right-side">
    <h1>Right Half</h1>
    <p>If your knees aren't green by the end of the day, you ought to seriously re-examine your life.</p>
  </article>
  
  <article class="full">
    <h1>I Steal Everything</h1>
    <p>I am all powerful. All shall follow me and despair!</p>
  </article>
  
  <article class="left-side">
    <img alt="" src="http://placehold.it/150/150" style="float:right" title="Floated image just to prove a point" />
    <h1>Left Half</h1>
    <p>Weekends don't count unless you spend them doing something completely pointless.</p>
  </article>

  <article class="right-side">
    <img alt="" src="http://placehold.it/150/150" style="float:left" title="Floated image just to prove a point" />
    <h1>Right Half</h1>
    <p>If your knees aren't green by the end of the day, you ought to seriously re-examine your life.</p>
  </article>
</section>
</div>
div {
  margin: 0 auto;
  width: 90%;
  background: #ff9e2c;
  font-size: 1.25rem;
  height: 100%;
  line-height: 150%;
  text-shadow: 0 2px 2px #b6701e;
  box-sizing: border-box;
  position: relative;
  
  &:before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 9000px;
    height: 9000px;
    background: #ff9e2c;
    z-index: -1;
  }
}

html {
  height: 100%;
  overflow: hidden;
}

body {
  background: #b6701e;
  margin: 0 auto;
  padding: 0 0 0 300px;
  min-height: 100%;
  max-width: 600px;
}

section {
  color: #fff;
  display: inline-block;
  text-align: center;
  width: 100%;
}

article {
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
  padding: 20px;
}

.left-side {
  clear: left;
  float: left;
  margin-left: -300px;
  width: 300px;
}

.right-side {
  display: inline-block;
  width: 100%;
}

.full {
  clear: both;
  margin: 30px 0 30px -300px;
  width: calc(100% + 300px);  
  background: #EB8;
  background: rgba(255, 255, 255, 0.65);
  color: #222;
}
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