Overflow scroll width

Demonstrates the issue where an overflow:auto scrollbar shrinks the available space

HTML

<body>
  <div>
    <p>abc def ghi jkl</p>
    <p>abc def ghi jkl</p>
    <p>abc def ghi jkl</p>
    <p>abc def ghi jkl</p>
  </div>
</body>

CSS

div {
  height: 90%;
  overflow: auto;
  border-style: solid;
  position: absolute
}