<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style>
#textArea {
color: white;
height: 50px;
}
#textArea::-webkit-input-placeholder{
height: 50px;line-height: 50px
} /* 使用webkit内核的浏览器 */
#textArea:-moz-placeholder{
height: 50px;line-height: 50px
} /* Firefox版本4-18 */
#textArea::-moz-placeholder{
height: 50px;line-height: 50px
} /* Firefox版本19+ */
#textArea:-ms-input-placeholder{
height: 50px;line-height: 50px
}
</style>
</head>
<body>
<textarea id="textArea" name="" placeholder="请输入"></textarea>
</body>
</html>
FIG effect as
