:root{
    --MAIN-BG-color: #FFFFFF;
    --MAIN-TEXT-color:#393A3C; /* Color of text by default */
    --MAIN-TITLES-TEXT-color: #393A3C; /* Color of titles h2-h3-h4-h5 */
    --MAIN-LINK-color:#F7941D; /* Color of links */
    --MAIN-LINK-HOVER-color:#F7941D; /* Color of hovered links */
    --MAIN-ANCHOR-color: #FFFFFF; /* color of anchors on titles */

    --MENU-HEADER-BG-color:#FFFFFF; /* Background color of menu header */
    --MENU-HEADER-BORDER-color:#F7941D; /*Color of menu header border */ 

    --MENU-SEARCH-BG-color:#FFFFFF; /* Search field background color (by default borders + icons) */
    --MENU-SEARCH-BOX-color: #393A3C; /* Override search field border color */
    --MENU-SEARCH-BOX-ICONS-color: #393A3C; /* Override search field icons color */

    --MENU-SECTIONS-ACTIVE-BG-color:#20272b; /* Background color of the active section and its childs */
    --MENU-SECTIONS-BG-color:#252c31; /* Background color of other sections */
    --MENU-SECTIONS-LINK-color: #ccc; /* Color of links in menu */
    --MENU-SECTIONS-LINK-HOVER-color: #e6e6e6;  /* Color of links in menu, when hovered */
    --MENU-SECTION-ACTIVE-CATEGORY-color: #393A3C; /* Color of active category text */
    --MENU-SECTION-ACTIVE-CATEGORY-BG-color: #fff; /* Color of background for the active category (only) */

    --MENU-VISITED-color: #F7941D; /* Color of 'page visited' icons in menu */
    --MENU-SECTION-HR-color: #20272b; /* Color of <hr> separator in menu */
    --MENU-TOPBAR-BG-color: #F6F6F6; /* Color of background menu */
}

@media (prefers-color-scheme: dark)
{
    :root{
        --MAIN-BG-color: #343a40;
        --MAIN-TEXT-color:#EEEEEE; /* Color of text by default */
        --MAIN-TITLES-TEXT-color: #EEEEEE; /* Color of titles h2-h3-h4-h5 */
        --MAIN-LINK-color:#F7941D; /* Color of links */
        --MAIN-LINK-HOVER-color:#F7941D; /* Color of hovered links */
        --MAIN-ANCHOR-color: #FFFFFF; /* color of anchors on titles */
    
        --MENU-HEADER-BG-color:#2e3338; /* Background color of menu header */
        --MENU-HEADER-BORDER-color:#F7941D; /*Color of menu header border */ 
    
        --MENU-SEARCH-BG-color:#FFFFFF; /* Search field background color (by default borders + icons) */
        --MENU-SEARCH-BOX-color: #343a40; /* Override search field border color */
        --MENU-SEARCH-BOX-ICONS-color: #343a40; /* Override search field icons color */
    
        --MENU-SECTIONS-ACTIVE-BG-color:#20272b; /* Background color of the active section and its childs */
        --MENU-SECTIONS-BG-color:#2e3338; /* Background color of other sections */
        --MENU-SECTIONS-LINK-color: #e6e6e6; /* Color of links in menu */
        --MENU-SECTIONS-LINK-HOVER-color: #e6e6e6;  /* Color of links in menu, when hovered */
        --MENU-SECTION-ACTIVE-CATEGORY-color: #2e3338; /* Color of active category text */
        --MENU-SECTION-ACTIVE-CATEGORY-BG-color: #fff; /* Color of background for the active category (only) */
    
        --MENU-VISITED-color: #F7941D; /* Color of 'page visited' icons in menu */
        --MENU-SECTION-HR-color: #20272b; /* Color of <hr> separator in menu */
        --MENU-TOPBAR-BG-color: #2e3338; /* Color of background menu */
    }
}

body, th {
    color: var(--MAIN-TEXT-color) !important;
    background-color: var(--MAIN-BG-color);
}

textarea:focus, input[type="email"]:focus, input[type="number"]:focus, input[type="password"]:focus, input[type="search"]:focus, input[type="tel"]:focus, input[type="text"]:focus, input[type="url"]:focus, input[type="color"]:focus, input[type="date"]:focus, input[type="datetime"]:focus, input[type="datetime-local"]:focus, input[type="month"]:focus, input[type="time"]:focus, input[type="week"]:focus, select[multiple=multiple]:focus {
    border-color: none;
    box-shadow: none;
}

h1, h2, h3, h4, h5 {
    color: var(--MAIN-TITLES-TEXT-color) !important;
}

a {
    color: var(--MAIN-LINK-color);
}

.anchor {
    color: var(--MAIN-ANCHOR-color);
}

a:hover {
    color: var(--MAIN-LINK-HOVER-color);
}

#top-bar {
    background-color: var(--MENU-TOPBAR-BG-color);
}

#sidebar ul li.visited > a .read-icon {
	color: var(--MENU-VISITED-color);
}

#body a.highlight:after {
    display: block;
    content: "";
    height: 1px;
    width: 0%;
    -webkit-transition: width 0.5s ease;
    -moz-transition: width 0.5s ease;
    -ms-transition: width 0.5s ease;
    transition: width 0.5s ease;
    background-color: var(--MAIN-LINK-HOVER-color);
}
#sidebar {
	background-color: var(--MENU-SECTIONS-BG-color);
}
#sidebar #header-wrapper {
    background: var(--MENU-HEADER-BG-color);
    color: var(--MENU-SEARCH-BOX-color);
    border-color: var(--MENU-HEADER-BORDER-color);
}
#sidebar .searchbox {
	border-color: var(--MENU-SEARCH-BOX-color);
    background: var(--MENU-SEARCH-BG-color);
}
#sidebar ul.topics > li.parent, #sidebar ul.topics > li.active {
    background: var(--MENU-SECTIONS-ACTIVE-BG-color);
}
#sidebar .searchbox *{
    color: var(--MENU-SEARCH-BOX-ICONS-color);
}

#search-by::placeholder{
    color: var(--MENU-SEARCH-BOX-ICONS-color);
}

#sidebar a {
    color: var(--MENU-SECTIONS-LINK-color);
}

#sidebar a:hover {
    color: var(--MENU-SECTIONS-LINK-HOVER-color);
}

#sidebar ul li.active > a {
    background: var(--MENU-SECTION-ACTIVE-CATEGORY-BG-color);
    color: var(--MENU-SECTION-ACTIVE-CATEGORY-color) !important;
}

#sidebar hr {
    border-color: var(--MENU-SECTION-HR-color);
}

#footer {
    display: none;
}

p+ul {
    margin-top: -0.7rem;
}

#body img, #body .video-container {
    margin: 2rem auto;
}

figure > a+figcaption {
    margin-top: -1.5rem;
}

.mobile-figure > a > img {
    max-width: 300px;
}

figcaption {
    text-align: center;
}

h1 {
    font-size: 2.5rem;
	letter-spacing: 0;
	font-weight: bold;
}

h2 {
	font-size: 2.2rem;
	letter-spacing: 0;
	font-weight: bold;
}

h3 {
	font-size: 1.9rem;
	letter-spacing: 0;
	font-weight: bold;
}

h4 {
	font-size: 1.6rem;
	letter-spacing: 0;
	font-weight: bold;
}

h5 {
	font-size: 1.3rem;
	letter-spacing: 0;
	font-weight: bold;
}