效果：
代码：
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>否定伪类选择器</title>
<style type="text/css">
.container{
margin: 100px;
}
.container input:not([type=text]){
color: red;
}
</style>
</head>
<body>
<div class="container">
<input type="text" name="" placeholder="请输入账号">
<input type="reset" name="" value="重置">
<input type="submit" name="" value="提交">
</div>
</body>
</html>