body {
    font-family: Helvetica, Arial, sans-serif;
    background: #fff;
}

img {
    max-width: 100%;
}
a {
    color: #00f;
}
#main-content,
#footer {
    text-align: center;
}

#main-content .logo {
    padding: 20px;
    margin: auto;
    max-width: 500px;
}

#main-content .purchase {
    padding: 20px;
}

#footer-copy {
    color: #999;
    margin: 50px 0 0 0;
}