<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
<style>
input::-webkit-input-placeholder {
/* WebKit, Blink, Edge */
/*placeholder的颜色*/
color: #000;
}
input:-moz-placeholder {
/* Mozilla Firefox 4 to 18 */
/*placeholder的颜色*/
color: #000;
}
input::-moz-placeholder {
/* Mozilla Firefox 19+ */
/*placeholder的颜色*/
color: #000;
}
input:-ms-input-placeholder {
/* Internet Explorer 10-11 */
/*placeholder的颜色*/
color: #000;
}
input {
border: 1px solid red;
/*输入的颜色*/
color: red;
}
</style>
</head>
<body>
<input type="text" placeholder="请输入手机号">
</body>
</html>
