* {
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box
}
html,
body {
    height: 100%
}
article,
aside,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
    display: block
}
body {
    margin: 0
}
h1,
h2,
h3 {
    margin: 1rem 0
}
h4,
h5,
h6,
ul,
ol,
dl,
blockquote,
address,
p,
figure {
    margin: 0 0 1rem 0
}
img {
    max-width: 100%
}
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700
}
h1 {
    font-size: 2.5rem;
    line-height: 3rem
}
h2 {
    font-size: 1.5rem;
    line-height: 2rem
}
h3 {
    font-size: 1.25rem;
    line-height: 1.5rem
}
h4,
h5,
h6 {
    font-size: 1rem;
    line-height: 1.25rem
}
hr {
    border: 0;
    border-bottom: 1px solid;
    margin-top: -1px;
    margin-bottom: 1rem
}
a:hover {
    color: inherit
}
small {
    font-size: .875rem
}
ul,
ol {
    padding-left: 1rem
}
ul ul,
ul ol,
ol ol,
ol ul {
    margin: 0
}
dt {
    font-weight: 700
}
dd {
    margin: 0
}
blockquote {
    border-left: 1px solid;
    padding-left: 1rem
}
address {
    font-style: normal
}
html {
    color: #333;
    font: 100%/1.5  Avenir, 'Helvetica Neue', Helvetica, Arial, sans-serif;
    -webkit-font-smoothing: antialiased;
    -webkit-text-size-adjust: 100%;
        -ms-text-size-adjust: 100%;
    background: #FFF;
}
a {
    color: #999;
    text-decoration: none;
    transition: color 0.3s;
}
a > h1,
a > h2,
a > h3 {
    color: #333;
}

body > * {
    padding: 0 1rem;
}
.subtitle {
    font-size: 1rem;
    line-height: 1.5rem
}
.author {
    display: none
}
@media screen and (min-width: 55rem) {
    .meta {
        position: fixed;
        width: 20rem;
        height: 100%;
        overflow: auto;
        background: #FFF;
        z-index: 1;
    }
    main {
        display: block; /* required for e.g. konqueror */
        margin-left: 20rem;
        overflow: auto;
    }
}
@media print {
    section.level1 {
        page-break-inside: avoid
    }
    nav a::after {
        content: leader('.') target-counter(attr(href url), page, decimal)
    }
}