我无法将表单中的标签/字段垂直居中。我已将内容水平居中，但现在还想添加垂直居中。当我运行我的代码时，我可以看到字段集填充已关闭。顶部填充的值小于底部的值。我认为垂直居中发生它们应该是相等的。这是我的代码...
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Contact</title>
<link href='http://fonts.googleapis.com/css?family=Roboto:400,700' rel='stylesheet' type='text/css'>
<link rel="stylesheet" type="text/css" href="contact.css">
</head>
<body>
<header id="pageHeader">
</header>
<nav class="mainNav">
<ul>
<li><a href="../index.html">Home</a></li>
<li><a href="#">Photos</a></li>
<li><a href="#">About</a></li>
<li><a href="#">Contact</a></li>
</ul>
<img src="NewLogo3.png">
</nav>
<div class="contact">
<h1>Get In Touch</h1>
<form action="index.php" method="POST" >
<fieldset class="boxShadow">
<label>Name:</label>
<input type="text" name="name" placeholder="Enter your name" class="boxShadow"/>
<label>Email:</label>
<input type="email" name="email" placeholder="Enter your email address" class="boxShadow"/>
<label>Message:</label>
<textarea name="message" placeholder="What's on your mind?" class="boxShadow"></textarea>
<input type="submit" value="Send message" />
</fieldset>
</form>
</div>
<footer id="pageFooter">
<p>Thanks for visiting my website</p>
<span>© 2013</span>
</footer>
</body>
</html>
html, body, h1, h2 , ul, nav, img{
margin:0;
padding: 0;
font-size: 1em;
font-family: 'Roboto', sans-serif;
font-weight: 400;
}
body{
background: #777777;
height: 100%;
}
nav{
background: #40B3DF;
height: 100px;
font-size: 2em;
width: 100%;
border-bottom: 1px solid black;
}
nav ul{
position: absolute;
top: 55px;
white-space:nowrap;
margin-left: 100px;
}
nav li{
display: inline-block;
background: #A8CB17;
padding-bottom: 0;
border-radius: 8px 8px 0 0;
border-bottom: 2px solid #A8CB17;
margin-right: 10px;
-webkit-box-shadow: -5px 0px 7px 0px rgba(0,0,0,0.75);
-moz-box-shadow: -5px 0px 7px 0px rgba(0,0,0,0.75);
box-shadow: -5px 0px 7px 0px rgba(0,0,0,0.75);
}
nav a{
text-decoration:none;
color: #004158;
padding: 10px;
}
nav img{
position: absolute;
right: 50px;
top: 15px;
}
nav li:hover{
background: #17649A;
border-bottom: 2px solid #17649A;
}
p{
padding-top: 3em;
color: #454545;
text-align: center;
}
h1{
color: #393939;
font-size: 3em;
padding: 1em 0 0 1em;
text-shadow: 2px 2px 3px rgba(23, 23, 23, 1);
margin-bottom: 1em;
}
footer{
border-top: 2px solid #393939;
background: #40B3DF;
position:relative;
bottom:0;
height: 60px;
width: 100%;
text-align: center;
}
footer p{
display:inline-block;
margin: 0 auto;
padding-top: 1.5em;
color: #004158;
}
footer span{
position: relative;
top: 7px;
right: -45px;
}
textarea{
height: 150px;
width: 200px;
padding: 1em;
}
label, input[type=submit]{
text-transform: uppercase;
}
input, label{
display: block;
margin: 0 auto;
padding: 1em;
width: 200px;
}
input[type=submit] {
margin-top: 2em;
border-radius: 8px;
font-weight: 700;
}
fieldset {
height: 550px;
position: relative;
width: 60%;
text-align: center;
background: #676767;
margin: 0 auto;
margin-bottom: 2em;
/*border: 0;*/
}