body {
    font-family: Arial, sans-serif;
    margin: 20px;
    color: #333;
}
main {
    max-width: 600px;
}
h1 {
    font-size: 24px;
    margin-bottom: 20px;
}
fieldset {
    border: none;
    padding: 0;
    margin: 0;
}
label {
    display: block;
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 14px;
}
input[type="text"],
input[type="email"],
textarea {
    width: 100%;
    padding: 4px;
    margin-bottom: 15px;
    border: 1px solid #999;
    box-sizing: border-box;
}

textarea {
    height: 200px;
}
p {
    font-size: 14px;
    margin-top: 10px;
    margin-bottom: 15px;
}
input[type="submit"] {
    background: #e6e6e6;
    border: 1px solid #707070;
    border-radius: 4px;
    padding: 5px 15px;
    cursor: pointer;
    font-size: 13px;
    color: #333;
    box-shadow: 1px 1px 2px rgba(0,0,0,0.1);
}

input[type="submit"]:hover {
    background: #f0f0f0;
}