body {
    width: 960px;
    margin: auto;
    font-family: 'Open Sans', sans-serif;
    color: #fff;
}

div, header, footer, article {
    box-sizing: border-box;
}

header, footer, article {
    width: 930px;
    margin: auto;
    background-color: #0D9F69;
    padding: 20px;
}

header {
    font-size: 60px;
    font-weight: 700;
}

.description {
    width: 800px;
    margin-top: 20px;
    font-size: 22px;
    font-weight: normal;
}

footer {
    margin-top: 40px;
}

a {
    font-size: 20px;
    font-weight: normal;
    color: #fff;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

article {
    border-top: 1px solid #fff;
}

.white-block {
    display: table-cell;
    height: 30px;
    padding: 20px;
    vertical-align: middle;
    background-color: #fff;
    font-weight: 100;
    color: #0D9F69;
    line-height: 120%;
}

p {
    margin: 10px 0;
    line-height: 120%;
}

h2 {
    font-size: 30px;
}

h6 {
    font-weight: 700;
    text-decoration: underline;
    display: inline;
}

.syntax {
    padding: 10px 10px 0 20px;
}

.syntax > li {
    list-style: none;
    margin-bottom: 15px;
}

.values li {
    text-indent: 20px;
    list-style: inside circle;
    line-height: 120%;
}

section {
    margin-top: 40px;
}

section > div {
    display: inline-block;
    position: relative;
    width: 450px;
    margin: 15px;
    border: 1px solid #0D9F69;
    overflow: hidden;
}

section h2 {
    color: #0D9F69;
    text-indent: 30px;
    margin-bottom: 20px;
}

section > div div {
    width: 100%;
    height: 200px;
    background-color: #0D9F69;
    margin-top: 250px;
    padding: 20px;
}

canvas, img {
    position: absolute;
    top: 0;
    left: 0;
}

img {
    width: 100%;
    z-index: -1;
}

span {
    margin-left: 20px;
}

span, .emph {
    font-weight: 600;
    display: inline;
}