```html
body {
fontfamily: Arial, sansserif;
lineheight: 1.6;
margin: 0;
padding: 20px;
}
h1, h2 {
textalign: center;
}
form {
maxwidth: 600px;
margin: 0 auto;
}
label {
display: block;
marginbottom: 10px;
}
input[type="text"], input[type="email"], textarea {
width: 100%;
padding: 10px;
marginbottom: 20px;
border: 1px solid ccc;
borderradius: 5px;
}
input[type="submit"] {
backgroundcolor: 4CAF50;
color: white;
padding: 15px 20px;
border: none;
borderradius: 5px;
cursor: pointer;
fontsize: 16px;
}
input[type="submit"]:hover {
backgroundcolor: 45a049;
}