.page-header,
.site-header {
    border-bottom: 1px solid #eaeaea
}

.logo a,
.nav-menu a,
article a {
    text-decoration: none
}

figure,
table {
    margin: 40px 0
}

body,
table tr:nth-child(2n) {
    background-color: #fdfdfd
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol";
    line-height: 1.6;
    margin: 0;
    color: #333
}

.container {
    max-width: 800px;
    margin: 20px auto;
    padding: 0 20px
}

.site-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    margin-bottom: 20px
}

.logo a {
    font-size: 1.8em;
    font-weight: 700;
    color: #333;
    letter-spacing: -1px
}

.page-header {
    padding-bottom: 10px;
    margin-bottom: 40px;
    text-align: left
}

.page-footer,
figcaption {
    text-align: center;
    font-size: .9em
}

.page-header h1 {
    font-size: 2.5em;
    margin-bottom: 0
}

.page-header p {
    font-size: 1.1em;
    color: #666;
    margin-top: 5px
}

.main-nav {
    position: relative
}

.nav-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: flex-start
}

.article-meta,
article p,
ol,
ul {
    margin-bottom: 20px
}

.menu-icon,
.menu-toggle {
    display: none
}

.nav-menu li {
    margin: 0 20px 0 0
}

.nav-menu a {
    color: #333;
    font-weight: 500;
    padding: 5px 0;
    border-bottom: 2px solid transparent;
    transition: border-color .3s
}

.nav-menu a.active,
.nav-menu a:hover {
    color: #007acc;
    border-bottom-color: #007acc
}

.menu-icon {
    cursor: pointer;
    font-size: 28px;
    user-select: none;
    position: absolute;
    right: 20px;
    top: 35px
}

.article-meta {
    color: #888;
    font-size: .9em
}

article h2 {
    font-size: 1.8em;
    margin-top: 40px
}

article p,
table caption {
    font-size: 1.1em
}

article a {
    color: #007acc
}

article a:hover {
    text-decoration: underline
}

blockquote {
    border-left: 3px solid #007acc;
    margin-left: 0;
    padding-left: 20px;
    font-style: italic;
    color: #555
}

ol,
ul {
    padding-left: 25px
}

li {
    margin-bottom: 10px
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, .05)
}

figcaption {
    color: #888;
    margin-top: 10px
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 1em
}

table caption {
    margin-bottom: 15px;
    font-weight: 700;
    color: #333
}

table td,
table th {
    border: 1px solid #e0e0e0;
    padding: 12px;
    text-align: left
}

table th {
    background-color: #f9f9f9;
    font-weight: 600
}

.page-footer {
    margin-top: 60px;
    padding-top: 20px;
    border-top: 1px solid #eaeaea;
    color: #999
}

.examples {
    background-color: #f0f5fa;
    padding: 20px;
    margin-bottom: 20px
}

@media (max-width:768px) {
    .site-header {
        padding: 5px 0
    }
    .logo a {
        font-size: 1.5em
    }
    .menu-icon {
        display: block;
        position: static;
        font-size: 24px;
        padding: 10px
    }
    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        right: -20px;
        width: 200px;
        background-color: #fff;
        border: 1px solid #eaeaea;
        box-shadow: 0 4px 8px rgba(0, 0, 0, .05);
        padding-top: 0;
        z-index: 100
    }
    .nav-menu li {
        margin: 0;
        width: 100%;
        text-align: left
    }
    .nav-menu a {
        display: block;
        padding: 12px 20px;
        border-bottom: 1px solid #eee;
        border-left: 2px solid transparent
    }
    .nav-menu a.active,
    .nav-menu a:hover {
        border-left-color: #007acc;
        border-bottom-color: #eee
    }
    .menu-toggle:checked~.nav-menu {
        display: flex
    }
    .search-container {
        padding: 15px
    }
}