html,
body {
    min-height: 100vh;
}

body {
    position: relative;
    padding-bottom: 5rem;
}

a {
    color: rgb(65, 131, 196);
}

.nav-link.active {
    pointer-events: none;
}

img {
    max-width: 100%;
}

.markdown-body h1,
.markdown-body h2,
.markdown-body h3,
.markdown-body h4,
.markdown-body h5,
.markdown-body h6 {
    margin-bottom: .5rem;
    padding: 1.5rem 0 .5rem;
}

header + .container {
    padding-top: 2rem;
}

header .navbar-brand {
    display: block;
    width: 32px;
    height: 32px;
    background-image: url(../images/logo.png);
    background-size: 100%;
    text-decoration: none;
}

header .nav-link {
    color: rgba(0, 0, 0, .5);
    font-weight: 600;
}

header .nav-link.active {
    color: rgba(0, 0, 0, .9);

    pointer-events: none;
}

header a:hover {
    opacity: .7;
}

header .dropdown-toggle,
.side-bar .dropdown-toggle {
    color: rgba(0, 0, 0, .7);
    font-weight: 600;
}

header .dropdown-menu,
.side-bar .dropdown-menu {
    font-size: .875rem;
    color: rgba(0, 0, 0, .5);
}

header .dropdown-item.active,
header .dropdown-item:active,
.side-bar .dropdown-item.active,
.side-bar .dropdown-item:active {
    background-color: rgb(248, 249, 250);
    color: rgba(0, 0, 0, .7);
    font-weight: 600;
}

footer {
    position: absolute;
    bottom: 0;
    padding: 0 1rem 1rem;
    width: 100%;
    height: 5rem;
    color: rgb(102, 102, 102);
    background-color: rgb(248, 249, 250);
    font-size: 85%;
    text-align: center;
}

footer small,
footer ul {
    line-height: 4rem;
}

footer small {
    font-size: 100%;
}

footer ul {
    display: none;
    margin-bottom: 0;
    padding-left: 0;
}

footer li {
    display: inline-block;
    margin-left: 1rem;
}

.jumbotron {
    text-align: center;
    background-color: rgb(238,238,238);
}

.jumbotron > img[src*="BEAR-logo.png"] {
    margin-bottom: 2rem;
    max-width: 90%;
}

.jumbotron > p {
    padding: 0 2rem;
    margin-bottom: 2rem;
    color: rgb(90, 90, 90);
    font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
    font-size: 1.575rem;
    line-height: 1.4;
    font-weight: 200;
}

.jumbotron > p strong {
    font-weight: 600;
}

.side-bar {
    margin-right: -15px;
    margin-left: -15px;
}

.side-bar .navbar-light .navbar-toggler {
    margin: 0 0 0 auto;
    border: 0;
    color: rgba(0, 0, 0, .7);
}

.side-bar a.nav-link.active {
    background-color: rgb(248, 249, 250);
    font-weight: 600;
}

@media (min-width: 768px) {
    header {
        position: -webkit-sticky;
        position: sticky;
        top: 0;
        z-index: 2;
    }

    header > .navbar {
        min-height: 4rem;
    }

    .jumbotron > p {
        padding: 0 6rem;
    }


    .jumbotron > img[src*="BEAR-logo.png"] {
        width: 380px;
    }

    article {
        padding-bottom: 4rem;
    }

    article h1:first-child {
        padding-top: 2rem;
    }

    .side-bar {
        position: -webkit-sticky;
        position: sticky;
        top: 4rem;
        margin-left: -15px;
        height: calc(100vh - 4rem);
        max-height: calc(100vh - 4rem);
        border-bottom: 0;
        border-right: 1px solid rgb(234,236,239);
        z-index: 1;

        overflow-y: auto;
    }

    .side-bar .navbar {
        padding: 0!important;
    }

    .side-bar ul {
        display: block!important;
        padding: 2rem 0;
        width: 100%;
        max-height: calc(100vh);

        overflow-y: auto;
    }

    .side-bar .nav-link {
        padding-left: 1.5rem!important;
    }

    .side-bar-right {
        position: -webkit-sticky;
        position: sticky;
        top: 5rem;
        margin: 1rem 0;
        padding: 1rem;
        max-height: calc(100vh - 4rem);
        border-left: 1px solid rgb(234,236,239);
        z-index: 1;

        overflow-y: auto;
    }

    .side-bar-right ul {
        padding: 0;
    }

    .side-bar-right ul > li {
        list-style: none;
    }

    .side-bar-right li > ul {
        padding-left: 1rem;
    }

    .side-bar-right li a {
        display: block;
        padding: .125rem 0;
        color: rgba(0, 0, 0, .5);
    }

    .side-bar-right li a:hover {
        color: rgba(0, 0, 0, .7);
    }

    .side-bar-right li a.active {
        color: rgba(0, 0, 0, .7);
        font-weight: 600;
    }
}

[data-page-category="Contributors"] header + .container {
    padding-top: 15px;
}

[data-page-category="Contributors"] main ul {
    display: flex;
    padding: 0;

    flex-wrap: wrap;
}

[data-page-category="Contributors"] main ul li {
    padding: 5px;
    width: 10%;
    list-style: none;
}

[data-page-category="Contributors"] main ul li a:hover {
    opacity: .7;
}

@media (max-width: 768px) {
    header .navbar-brand {
        margin: .25rem 0;
    }

    article {
        padding-bottom: 2rem;
    }

    .navigation-header {
        margin: 0 -15px;
        padding: 0 15px .5rem;
        width: 100vw;
        border-bottom: 1px solid rgb(234,236,239);
        text-align: right;
    }

    .navigation-header + .navbar-collapse {
        margin: 0 -15px;
        padding: .5rem 15px;
        width: 100vw;
        border-bottom: 1px solid rgb(234,236,239);
    }

    [data-page-category="Contributors"] main ul li {
        padding: 3px;
        width: 33.3%;
    }

    [data-page-category="Contributors"] main ul li img {
        width: 100%;
    }
}

.language-list {
    display: inline-flex;
    flex-direction: row;
}

.language-list li {
    color: rgba(0, 0, 0, .5);
}

.language-list li + li::before {
    color: inherit;
    content: "|";
    display: inline-block;
    margin: 0 .5rem 0 .75rem;
}

.language-list li > a {
    color: inherit;
}

.language-list li > a:hover {
    text-underline-offset: .1rem;
}

.language-list li > a.active {
    color: rgba(0, 0, 0, .9);
    text-decoration: underline;
    text-underline-offset: .1rem;
}