custom.css

body {
    color: #212529;
}

ul.bricks {
    text-align: justify;
}
ul.bricks > li {
    display: inline;
    background-color: lightblue;
    padding: 8px;
    border-radius: 5px;
    line-height: 3;
    white-space:nowrap;
}

.postbox { max-width: 60em; margin-left: auto; margin-right: auto; }

blockquote p, blockquote, p {
    text-align: justify;
    /*font-size: 16px;*/
}

.previous a,.next a{border-radius:4px}

.navbar-brand {
    padding: 0;
}

.navbar-brand #logo {
    height: 50px;
}

.col-md-4 p {
    -moz-hyphens: auto;
    -ms-hyphens: auto;
    -webkit-hyphens: auto;
    hyphens: auto;
}

.btn-primary.get-started {
    -webkit-filter: brightness(100%);
    filter: brightness(100%);
    transition: filter,-webkit-filter 0.25s ease-in-out;
}

.btn-primary.get-started:hover {
    -webkit-filter: brightness(107.5%);
    filter: brightness(107.5%);
    transition: filter,-webkit-filter 0.2s ease-out;
}

.feature-icon {
    text-align: center;
}

.feature-icon .fa-stack,
a .index-feature {
    color: #3e4445;
    transition: color 0.3s ease;
}

a:hover .feature-icon .fa-stack,
a:hover .index-feature {
    color: #f5ab14;
    transition: color 0.25s ease;
}

a.feature-link:hover {
    text-decoration: none;
}

.index-feature {
    margin-top: 0;
    padding-top: 20px;
    text-align: center;
}

pre.gs-console {
    background: #272822;
    color: #f8f8f2;
    font-size: 12px;
}

code.gs-code {
    background: #272822;
    color: #f8f8f2;
    white-space: nowrap;
    padding: 2px 4px;
    border-radius: 4px;
}

.gs-command, code.gs-command {
    color: #66d9ef;
}

.gs-root, code.gs-root {
    color: #f92672;
}

.gs-input, code.gs-input {
    color: #a6e22e;
}

.gs-right-col .gs-console {
    -webkit-position: sticky;
    position: sticky;
    top: 10px;
}

@media (max-width: 767px) {
    .gs-left-col {
        padding-left: 0;
        padding-right: 0;
    }
    .gs-right-col {
        padding-left: 0;
        padding-right: 0;
    }
}

@media (min-width: 768px) {
    .gs-left-col {
        padding-left: 0;
    }
    .gs-right-col {
        padding-right: 0;
    }
}

/* from bootstrap docs.css*/
@media (min-width: 992px) {
  /* Widen the fixed sidebar */
  #features-toc {
    width: 213px;
  }
  #features-toc.affix {
    position: fixed; /* Undo the static from mobile first approach */
    top: 20px;
  }
  #features-toc.affix-bottom {
    position: absolute; /* Undo the static from mobile first approach */
  }
  #features-toc.affix-bottom .bs-docs-sidenav,
  #features-toc.affix .bs-docs-sidenav {
    margin-top: 0;
    margin-bottom: 0;
  }
}
@media (min-width: 1200px) {
  /* Widen the fixed sidebar again */
  #features-toc {
    width: 263px;
  }
}

.pygal-chart {
    max-height: 80vh;
    width: auto;
}

/* Header permalinks */
h1:hover .headerlink, h2:hover .headerlink,
h3:hover .headerlink, h4:hover .headerlink,
h5:hover .headerlink, h6:hover .headerlink {
    display: inline;
}

.headerlink {
    display: none;
    color: #ddd;
    margin-left: 0.2em;
    padding: 0 0.2em;
}

.headerlink:hover {
    opacity: 1;
    background: #ddd;
    color: #000;
    text-decoration: none;
}

.forkme {
    position: absolute;
    top: 66px;
    right: 0;
    border: 0;
    z-index: 9999;
}