body {
}
body {
    font-family: "Segoe UI", Segoe, Tahoma, Helvetica, Arial, sans-serif;
    margin: 0;
    color: #666;
}

.header {
    height: 50px;
    background: #000;
    color: #fff;
    font-size: 22px;
    line-height: 48px;
    padding: 0 10px;
}

    .header a, .header a:visited {
        text-decoration: none;
        color: #fff;
    }

.content {
    padding: 0 40px;
}

h1 {
    font-weight: 400;
}

button {
    color: #333;
    border: 1px solid #f4f4f4;
    background-color: #f4f4f4;
    display: inline-block;
    height: 32px;
    min-width: 80px;
    padding: 4px 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 14px;
    font-family: "Segoe UI", Segoe, Tahoma, Helvetica, Arial, sans-serif;
}