<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>用户界面样式-表单轮廓和防止拖拽文本域</title>
<style>
input, textarea {
/* 取消蓝色框 */
outline: none;
}
textarea {
/* 取消拖拽 */
resize: none;
}
</style>
</head>
<body>
<input type="text">
<textarea cols="30" rows="10"></textarea>
</body>
</html>