* {
    box-sizing: border-box;
}
body {
    background-color: #eee;
    color: #333;
}
header {
    padding: 16px;
    margin: 0 0 48px;
    font-size: 1.1em;
    background-color: #fff;
}
header .container {
    display: flex;
}
header a {
    margin-left: 12px;
}
footer {
    color: #777;
    margin: 64px 0;
}
.container {
    max-width: 640px;
    width: 100%;
    margin: 0 auto;
}
.content {
    padding: 16px 32px 32px;
    background-color: #fff;
}
.spacer {
    flex: 1;
}

h1 {
    margin: 0;
    padding: 16px 32px;
    background-color: #9dd3f0;
    text-align: center;
}
h3 {
    margin-top: 48px;
}
a {
    color: #3f9acc;
}
textarea {
    width: 100%;
    height: 128px;
    resize: vertical;
}
input[type="radio"] {
    vertical-align: sub;
}
input[type="submit"] {
    width: 100%;
    padding: 8px;
    font-size: 1.2em;
    text-transform: uppercase;
    background-color: #c3eaff;
    border: 1px solid #3f9acc;
    border-radius: 3px;
    border-bottom-width: 3px;
    cursor: pointer;
}
input[type="submit"]:hover {
    background-color: #9dd3f0;
}
.green {
    color: green;
}
.red {
    color: red;
}
.label {
    display: inline-block;
    margin: 0 0 8px;
}