body {
    font-family: "Roboto", "Trebuchet MS", Arial, Helvetica, sans-serif;
    margin: 0;
    padding: 0;
}

.page {
    display: flex;
    margin: 20px;
}

.content {
    flex: 1;
    margin-left: 40px;
}

.content header {
    margin-bottom: 40px;
}

.content header h1,
.content header p:last-child {
    margin: 0
}

.content header h1 {
    margin-bottom: 10px;
}

.demo {
    border-radius: 3px;
    border: solid 1px #eee;
    margin-bottom: 40px;
    padding: 30px 20px 20px;
    position: relative;
}

.demo h4 {
    background: #fff;
    border: solid 1px #eee;
    font-size: 12px;
    text-transform: uppercase;
    position: absolute;
    top: -10px;
    margin: 0;
    padding: 3px 10px;
}

.header {
    background-color: #3fb3c0;
    display: flex;
    justify-content: space-between;
    padding: 10px 20px;
    align-items: center;
}

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

.header h1 {
    line-height: 1em;
    margin: 0;
}

.header h1 a {
    font-size: 24px;
}

.header nav {
    color: #fff
}

.header nav .separator {
    margin: 0 10px;
}