style.css

* {
    box-sizing: border-box;
}

body {
    background-color: #1681b5;
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    color: #333333;
}

h1, h2 {
    margin: 0;
    font-family: 'Segoe UI', Tahoma, Helvetica, sans-serif;
    font-weight: 400;
}

h2 {
    font-size: 20px;
    margin-bottom: 4px;
}

p {
    font-size: 15px;
}

#content {
    width: 100%;
    max-width: 960px;
    min-width: 300px;
    margin: 12px auto;
    padding: 8px 18px;
    background: #ffffff;
    border: 1px solid #999999;
}

#footer {
    font-size: 9px;
    text-align: center;
    color: #eeeeee;
}

#footer a {
    color: #cccccc;
}

label div {
    margin-bottom: 4px;
    padding: 6px;
    background: #fefefe;
    border: 2px solid #cccccc;
}

input[type=submit] {
    display: block;
    margin: 0 auto;
    padding: 4px 20px;
    font-size: 16px;
    font-weight: bold;
}