CSS: The resize Property

用户手动调节输入框样式：

<!DOCTYPE html>
<html>
<head>
<style> 
div {
  border: 2px solid;
  padding: 20px; 
  width: 300px;
  resize: vertical;
  overflow: auto;
}
</style>
</head>
<body>

<h1>The resize Property</h1>

<div>
  <p>Let the user resize only the height of this div element.</p>
  <p>To resize: Click and drag the bottom right corner of this div element.</p>
</div>

<p><b>Note:</b> Internet Explorer does not support the resize property.</p>

</body>
</html>
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原文地址：https://www.cnblogs.com/Nyan-Workflow-FC/p/10580636.html