<!DOCTYPE html>
<html>

  <head>
    <link rel="stylesheet" href="style.css">
    <script src="script.js"></script>
  </head>

  <body>
    <h1>Hello Plunker!</h1>
    <div dir='ltr'>
      <div>
        <div class='inline'>Text Direction:</div> left to right.
      </div>
      <div>
        <div class='inline'>Header using <span>inline-block div</span>:</div> blah blah blah...
      </div>
      <div>
        <span>Header using <span>span</span>:</span> blah blah blah...
      </div>
    </div>
    <div dir='rtl'>
      <div>
        <div class='inline'>Text Direction:</div> right to left.
      </div>
      <div>
        <div class='inline'>Header using <span>inline-block div</span>:</div> blah blah blah...
      </div>
      <div>
        <span>Header using <span>span</span>:</span> blah blah blah...
      </div>
    </div>
  </body>

</html>
// Code goes here

/* Styles go here */
.inline {
  display:inline-block;
}

div[dir] {
  margin:10px;
  padding:10px;
  border:1px solid #caa;
}

div[dir]>div>div,
div[dir]>div>span
{
  font-weight:bold;
}

div[dir]>div:first-child {
  text-align:center;
  background-color:#abc;
}