由于某种原因，CSS没有链接到我的表单

Question

我正在尝试在我的网页上找到一个用css设计的表单，但我似乎无法让表单识别css。正如你在下面看到的那样，我只想尝试下面的元素是代码。有什么想法吗？我相信解决方案是蛋糕，新程序员在这里..任何和所有的帮助表示赞赏！

CSS

form {
  background: -webkit-gradient(linear, bottom, left 175px, from(#CCCCCC), to(#EEEEEE));
  background: -moz-linear-gradient(bottom, #CCCCCC, #EEEEEE 175px);
  margin: auto;
  position: relative;
  width: 550px;
  height: 450px;
  font-family: Tahoma, Geneva, sans-serif;
  font-size: 14px;
  font-style: italic;
  line-height: 24px;
  font-weight: bold;
  color: #09C;
  text-decoration: none;
  -webkit-border-radius: 10px;
  -moz-border-radius: 10px;
  border-radius: 10px;
  padding: 10px;
  border: 1px solid #999;
  border: inset 1px solid #333;
  -webkit-box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
  box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
}

input {
  width: 375px;
  display: block;
  border: 1px solid #999;
  height: 25px;
  -webkit-box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
  -moz-box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
  box-shadow: 0px 0px 8px rgba(0, 0, 0, 0.3);
}

textarea#feedback {
  width: 375px;
  height: 150px;
}

textarea.message {
  display: block;
}

input.button {
  width: 100px;
  position: absolute;
  right: 20px;
  bottom: 20px;
  background: #09C;
  color: #fff;
  font-family: Tahoma, Geneva, sans-serif;
  height: 30px;
  -webkit-border-radius: 15px;
  -moz-border-radius: 15px;
  border-radius: 15px;
  border: 1p solid #999;
}

input.button:hover {
  background: #fff;
  color: #09C;
}

textarea:focus, input:focus {
  border: 1px solid #09C;
}

HTML

<form>
<div>
<h1>Contact Form :</h1>
<label>
<span>Your name</span><input id="name" type="text" name="name" />
</label>

<label>
<span>Email Address</span><input id="email" type="text" name="email" />
</label>

<label>
<span>Subject</span><input id="subject" type="text" name="subject" />
</label>

<label>
<span>Message</span><textarea id="feedback" name="feedback"></textarea>
<input type="button" value="Submit Form" />
</label>

</div>
</form>