body, html {
    padding: 0;
    margin: 0;
}

* {
    box-sizing: border-box;
}

body {
    font: 15px sans-serif;
    color: #111;
    -webkit-text-size-adjust: none;
    background-color: #F5F5F5;
    height: 100vh;
}

main {
    max-width: 45rem;
    padding: 2rem;
    margin: auto;
    background-color: #F0F0F0;
    min-height: 100vh;
}

/* hide redundant text in article */
#text h1:first-child {
    display: none;
}

hr {
    background: #e1e4e8;
    border: 0;
    height: 0.25em;
    margin: 1em 0;
}

a {
    color: #3C3CA1;
}

a:hover {
    color: #8484C6;
}

pre, code {
    font-size: 96%;
    background: #f8f8f8;
}

pre {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    padding: 10px 16px;
}

:not(pre) > code {
    padding: 0.25em 0.5em;
    border-radius: 0.25em;
    background: #DDD;
    font-size: 90%;
}

blockquote {
    border-left: 0.5em solid #ccc;
    padding-left: 1em;
    margin: 0.25em 0;
    color: #555;
}

blockquote > p {
    margin: 0.6rem 0;
}

table td {
    vertical-align: baseline;
    padding-left: 8px;
}

table td:first-of-type {
    padding-left: 0;
}

#text table td, #text table th {
    border: 1px solid #ccc;
    padding: 0.25em 0.5em;
}

details {
    background: #f8f8f8;
    margin: 0.25em 0;
    padding: 0;
}

details > summary {
    cursor: pointer;
    padding: 0.5em 1em;
}

details > p {
    background: #f5f5f5;
    padding: 0.5em 0.5em 0.5em 2em;
    margin: 0;
}

main.article div.header span.time span, div.article span.time span {
    color: #888;
    font-family: serif;
    font-style: italic;
}

main.article div.header a.link-home {
    text-decoration: none;
    float: right;
    line-height: 2.4;
}

main.article div.header h1, main.article div.header h2, .title {
    margin-top: 0.85em;
    margin-bottom: 0.25em;
    font-size: 2em;
    font-weight: bold;
}

main.article div.header h1 a, main.article div.header h2 a, div.article h3 a {
    text-decoration: none;
}

main.article div.header span.time, div.article span.time {
    display: block;
}

div.article {
    margin: 0 1em 1em 1em;
}

div.article h3 {
    font-size: 1.3em;
    margin:0;
    color: #3C3CA1;
}

div.article a {
    text-decoration: none;
    color: inherit;
}

div.article img{
    max-width: 100%;
    height: auto;
    margin-right:1em;
    margin-top:0.25em;
}

div.article:hover {
    opacity: 0.9;
}

div.article:active {
    opacity: 0.8;
}


#text {
    text-align: justify;
    hyphens: auto;
}

#text li, #text table, #text blockquote {
    text-align: left;
}

#text img, #text svg {
    max-width: 100%;
    height: auto;
}