<!DOCTYPE html>
<html>
<head>
<title>W3.CSS(w3cschool.cn)</title>
<meta name="viewport" content="width=device-width, initial-scale=1" charset="UTF-8">
<link rel="stylesheet" href="https://7npmedia.w3cschool.cn/w3.css">
</head>
<body>
<form action="/action_page.php" class="w3-container w3-card-4 w3-light-grey w3-text-blue w3-margin">
<h2 class="w3-center">联系我们</h2>
<div class="w3-row w3-section">
<div class="w3-col" style="width:50px"><i class="w3-xxlarge fa fa-user"></i></div>
<div class="w3-rest">
<input class="w3-input w3-border" name="first" type="text" placeholder="名字">
</div>
</div>
<div class="w3-row w3-section">
<div class="w3-col" style="width:50px"><i class="w3-xxlarge fa fa-user"></i></div>
<div class="w3-rest">
<input class="w3-input w3-border" name="last" type="text" placeholder="姓">
</div>
</div>
<div class="w3-row w3-section">
<div class="w3-col" style="width:50px"><i class="w3-xxlarge fa fa-envelope-o"></i></div>
<div class="w3-rest">
<input class="w3-input w3-border" name="email" type="text" placeholder="电子邮箱">
</div>
</div>
<div class="w3-row w3-section">
<div class="w3-col" style="width:50px"><i class="w3-xxlarge fa fa-phone"></i></div>