docs/css/main.css

/* ==========================================================================
   Author's custom styles
   ========================================================================== */

body {
  font-size: 14px;
}

a {
  color: #08c;
}

a:hover {
  color: #05c;
}

img {
  max-width: 100%;
}

table {
  margin: 15px 0;
  padding: 0;
}

table tr {
  border-top: 1px solid #cccccc;
  background-color: white;
  margin: 0;
  padding: 0;
}

table tr:nth-child(2n) {
  background-color: #F1F4F5;
}

table tr th {
  font-weight: bold;
  border: 1px solid #cccccc;
  text-align: left;
  margin: 0;
  padding: 6px 13px;
}

table tr td {
  border: 1px solid #cccccc;
  text-align: left;
  margin: 0;
  padding: 6px 13px;
}

.navbar {
  background-color: #fafafa;
  background-image: linear-gradient(to bottom, #ffffff, #e2f1f8);
  background-repeat: repeat-x;
  box-shadow: 0 1px 10px rgba(0,0,0,.1);
  border-bottom-color: #d4d4d4;
  border-bottom-style: solid;
  border-bottom-width: 1px;
  font-size: 15px;
  line-height: 1;
  margin-bottom: 15px;
  padding: 0 1rem;
}

.navbar .navbar-brand {
  height: 50px;
  width: 110px;
  margin-left: 1px;
  margin-right: 0;
  padding: 0;
}

.version {
  line-height: 30px;
  vertical-align: bottom;
  font-size: 12px;
  padding: 0;
  margin: 0;
  font-weight: bold;
  color: #777;
}

.navbar .container {
  padding-left: 0;
  padding-top: 2px;
}

.navbar .navbar-nav,
.nav {
  margin-left: 0;
}

.navbar .navbar-nav > .nav-item {
  line-height: 20px;
}

.navbar .navbar-nav > .nav-item > .nav-link {
  color: #555;
  padding: 10px 15px 10px;
}

.navbar .dropdown-menu {
  font-size: 15px;
  padding: 5px 0;
  margin: 0;
  border-radius: 6px;
  box-shadow: 0 5px 10px rgba(0,0,0,0.2);
}

@media (min-width:768px) {
  .navbar .dropdown-menu::before {
    position: absolute;
    top: -7px;
    left: 9px;
    display: inline-block;
    border-right: 7px solid transparent;
    border-bottom: 7px solid #ccc;
    border-left: 7px solid transparent;
    border-bottom-color: rgba(0,0,0,0.2);
    content: '';
  }

  .navbar .dropdown-menu::after {
    position: absolute;
    top: -6px;
    left: 10px;
    display: inline-block;
    border-right: 6px solid transparent;
    border-bottom: 6px solid #fff;
    border-left: 6px solid transparent;
    content: '';
  }
}

.navbar .dropdown-menu .dropdown-item:hover,
.navbar .dropdown-menu .dropdown-item:focus,
.navbar .dropdown-submenu:hover .dropdown-item {
  color: #fff;
  text-decoration: none;
  background-color: #0088cc;
  background-image: linear-gradient(to bottom,#0088cc,#0087b3);
  background-repeat: repeat-x;
}

.navbar .divider-vertical {
  border-right-color: lightgray;
}

.navbar-text .version-text {
  color: #555555;
  padding: 5px;
  margin-left: 10px;
}

body .container-wrapper {
  background-color: #FFF;
  color: #1D1F22;
  max-width: 1024px;
  margin-top: 10px;
  margin-left: auto;
  margin-right: auto;
  border-radius: 15px;
  position: relative;
  min-height: 100vh;
}

.title {
  font-size: 32px;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: bold;
}

h1 {
  font-size: 28px;
  margin-top: 12px;
}

h2 {
  font-size: 24px;
  margin-top: 12px;
}

h3 {
  font-size: 21px;
  margin-top: 10px;
}

h4 {
  font-size: 18px;
  line-height: 20px;
}

pre {
  background-color: #f5f5f5;
  border: 1px solid rgba(0,0,0,0.15);
  border-radius: 4px;
  font-family: "Menlo", "Lucida Console", monospace;
  padding: 9.5px;
}

ul, ol {
  padding: 0;
  margin: 0 0 10px 25px;
}

code {
  font-family: "Menlo", "Lucida Console", monospace;
  background: white;
  border: none;
  padding: 0;
  color: #444444;
}

pre code {
  background: transparent;
}

dt code {
  white-space: nowrap;
  max-width: 100%;
  border: solid 1px #e1e4e5;
  font-size: .8rem;
  padding: 0 5px;
  font-family: "Menlo", "Lucida Console", monospace;
  overflow-x: auto;
}

dd { 
  margin: 0 1.5em 1.5em;
}

div .highlight pre {
  font-size: 12px;
}

a code {
  color: #0088cc;
}

a:hover code {
  color: #005580;
  text-decoration: underline;
}

.container {
  max-width: 914px;
}

.content {
  z-index: 1;
  position: relative;
  background-color: #FFF;
  max-width: 914px;
  line-height: 1.6; /* Inspired by GitHub's wiki style */
  padding-left: 15px;
}

.content-with-sidebar {
  z-index: 1;
  position: relative;
  background-color: #FFF;
  max-width: 914px;
  line-height: 1.6; /* Inspired by GitHub's wiki style */
  padding-left: 30px;
  min-height: 100vh;
}

.dropdown-menu {
  /* Remove the default 2px top margin which causes a small
    gap between the hover trigger area and the popup menu */
  margin-top: 0;
  /* Avoid too much whitespace at the right for shorter menu items */
  min-width: 50px;
}

/**
 * Made the navigation bar buttons not grey out when clicked.
 * Essentially making nav bar buttons not react to clicks, only hover events.
 */
.navbar .navbar-nav .nav-item.dropdown.open > .dropdown-toggle {
  background-color: transparent;
}

/**
 * Made the active tab caption blue. Otherwise the active tab is black, and inactive tab is blue.
 * That looks weird. Changed the colors to active - blue, inactive - black, and
 * no color change on hover.
 */
.nav-tabs .nav-link.active, .nav-tabs .nav-link.active:hover {
  color: #08c;
}

.nav-tabs .nav-link, .nav-tabs .nav-link:hover {
  color: #333;
}

.nav-tabs .nav-link:not(.active):focus, .nav-tabs .nav-link:not(.active):hover {
  background-color: #e9ecef;
}

/**
 * MathJax (embedded latex formulas)
 */
.MathJax .mo { color: inherit }
.MathJax .mi { color: inherit }
.MathJax .mf { color: inherit }
.MathJax .mh { color: inherit }

/**
 * AnchorJS (anchor links when hovering over headers)
 */
a.anchorjs-link:hover { text-decoration: none; }


/**
 * The left navigation bar.
 */
.left-menu-wrapper {
  margin-left: 0px;
  margin-right: 0px;
  background-color: #F0F8FC;
  border-top-width: 0px;
  border-left-width: 0px;
  border-bottom-width: 0px;
  margin-top: 0px;
  width: 220px;
  height: 80%;
  float: left;
  position: fixed;
  overflow-y: scroll;
}

.left-menu h3 {
  margin-left: 10px;
  line-height: 30px;
}

/**
 * The collapsing button for the navigation bar.
 */
.nav-trigger {
  position: fixed;
  clip: rect(0, 0, 0, 0);
}

.nav-trigger + label:after {
  content: '»';
}

label {
  z-index: 10;
}

label[for="nav-trigger"] {
  position: fixed;
  margin-left: 0px;
  padding-top: 100px;
  padding-left: 5px;
  width: 10px;
  height: 80%;
  cursor: pointer;
  background-size: contain;
  background-color: #D4F0FF;
  box-sizing: content-box;
}

label[for="nav-trigger"]:hover {
  background-color: #BEE9FF;
}

.nav-trigger:checked + label {
  margin-left: 200px;
}

.nav-trigger:checked + label:after {
  content: '«';
}

.nav-trigger:checked ~ div.content-with-sidebar {
  margin-left: 200px;
}

.nav-trigger + label, div.content-with-sidebar {
  transition: left 0.4s;
}

/**
 * Rules to collapse the menu automatically when the screen becomes too thin.
 */

@media all and (max-width: 780px) {

  div.content-with-sidebar {
    margin-left: 200px;
  }
  .nav-trigger + label:after {
    content: '«';
  }
  label[for="nav-trigger"] {
    margin-left: 200px;
  }

  .nav-trigger:checked + label {
    margin-left: 0px;
  }
  .nav-trigger:checked + label:after {
    content: '»';
  }
  .nav-trigger:checked ~ div.content-with-sidebar {
    margin-left: 0px;
  }

  div.container-index {
    margin-left: -215px;
  }

}