<!DOCTYPE HTML>
<body style="width:500px; border:2px solid black;">
<div style="width:300px; height:300px; background:yellow; float:left;"></div>
<div style="width:300px; height:400px;">
  <span style="display:inline-block; outline:3px solid cyan">
    <span style="display:inline-block; width:300px; height:100px; outline:5px solid red" id="d"></span>
  </span>
</div>
</body>