<!DOCTYPE html>
<html style="height: 100%">
<head>
  <title>test1</title>
</head>
<body style="height: 100%">
  <input type="text" id="inp" value="">
  </input>
  <div style="height: 50%">Some text</div>
  <div style="height: 50%">Some text</div>
  <div style="height: 50%">Some text</div>
  <div style="height: 50%; width: 300%">Some more text</div>
</body>
</html>