body{
    margin: 0 auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    color: #999;
    line-height: 1;
    max-width: 960px;
    padding: 30px;
}
h1, h2, h3, h4 {
    color: #FFF;
    font-weight: 400;
}
h1, h2, h3, h4, h5, p {
    margin-bottom: 24px;
    padding: 0;
}
h1 {
    font-size: 48px;
}
h2 {
    font-size: 32px;
    margin: 40px 0 15px;
}
h3 {
    font-size: 20px;
    margin: 30px 0 15px 0;
}
h4 {
    font-size: 18px;
    margin: 30px 0 10px 0;
}
h5 {
    font-size: 16px;
    margin: 30px 0 10px 0;
}
h6 {
    font-size: 15px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin: 30px 0 10px 0;
}
a {
    color: #0099ff;
    margin: 0;
    padding: 0;
    vertical-align: baseline;
}
ul, ol {
    padding: 0;
    margin: 0;
    margin-left: 24px;
}
li {
    line-height: 24px;
}
li ul, li ul {
    margin-left: 24px;
}
p, ul, ol {
    font-size: 16px;
    line-height: 24px;
    max-width: 640px;
}
pre {
    padding: 0px 24px;
    max-width: 800px;
    white-space: pre-wrap;
}
code {
    font-family: Consolas, Monaco, Andale Mono, monospace;
    line-height: 1.5;
    font-size: 13px;
}
aside {
    display: block;
    float: right;
    width: 390px;
}
blockquote {
    margin: 1em 2em;
    max-width: 476px;
}
blockquote p {
    color: #666;
    max-width: 460px;
}
hr {
    width: 540px;
    text-align: left;
    margin: 0 auto 0 0;
    color: #999;
}
table {
    border-collapse: collapse;
    margin: 1em 1em;
    border: 1px solid #CCC;
}
table thead {
    background-color: #EEE;
}
table thead td {
    color: #666;
}
table td {
    padding: 0.5em 1em;
    border: 1px solid #CCC;
}