body {
    font-family: sans-serif;
    font-size: 16px;
    line-height: 1.6;
    max-width: 920px;
    margin: 0 auto;
    padding: 1rem 2rem;
}

h1, h2, h3 {
    line-height: 1.2;
}

h1 > img, h2 > img, h3 > img {
    width: 1em;
    height: 1em;
    padding-right: 0.5em;
    vertical-align: text-bottom;
}

h1 > span {
    font-weight: normal;
}

#top-menu > .top-button {
    margin-left: 1em
}

a {
    color: inherit;
    text-decoration: inherit;
}

ul, ol {
    margin: 0;
    padding: 0;
}

li {
    padding: 0;
    margin-bottom: 0.5rem;
    line-height: 2em;
}

li > * > img {
    width: 1.6rem;
    height: 1.6rem;
    padding-right: 0.5rem;
    vertical-align: middle;
}

.update-time, .tooltip {
    color: gray;
    font-style: italic;
}

.tooltip {
    text-align: center;
}

.pig {
    height: 6em;
    float: right;
}

.banner {
    display: block;
    margin-left: auto;
    margin-right: auto;
    width: 50%
}