CSS not linking to my form for some reason - html

Question

I am trying to get a form styled with css on my webpage, but i cant seem to get the form to recognize the css.As you can see below I am simply trying to stlye the element below is the code. Any thoughts? I am sure the solution is cake, new programmer over here.. any and all help is appreciated!
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>