hugo-theme-relearn/css/theme-neon.css

/* this variant does not work well if we use fallback styles for IE11 so better
   ignore this variant in IE completely */
@supports not (-ms-high-contrast:none) {

/* here in this showcase we use our own modified chroma syntax highlightning style;
   if you want to use a predefined style instead:
   - remove `markup.highlight.noClasses` from your config.toml
   - set `markup.highlight.style` to a predefined style name in your config.toml
   - remove the following `@import` of the self-defined chroma stylesheet */
@import "chroma-neon.css";

:root {
    --PRIMARY-color: #f300b2; /* brand primary color */
    --SECONDARY-color: #1c90f3; /* brand secondary color */

    --MAIN-TEXT-color: #e0e0e0; /* text color of content and h1 titles */
    --MAIN-LINK-HOVER-color: #4cabff; /* hovered link color of content */
    --MAIN-BG-color: #202020; /* background color of content */

    /* optional overwrites for specific headers */
    --MAIN-TITLES-TEXT-color: #f300b2; /* text color of h2-h6 titles and transparent box titles */
    --MAIN-TITLES-H3-color: #00f3d3; /* text color of h3-h6 titles */
    --MAIN-TITLES-H4-color: #ffff00; /* text color of h4-h6 titles */

    /* adjusted to neon chroma style */
    --CODE-BLOCK-color: #f8f8f2; /* fallback text color of block code; should be adjusted to your selected chroma style */
    --CODE-BLOCK-BG-color: #000000; /* fallback background color of block code; should be adjusted to your selected chroma style */

    --CODE-INLINE-color: #82e550; /* text color of inline code */
    --CODE-INLINE-BG-color: #282a36; /* background color of inline code */
    --CODE-INLINE-BORDER-color: #464646; /* border color of inline code */

    --MERMAID-theme: dark; /* name of the default Mermaid theme for this variant, can be overridden in config.toml */
    --SWAGGER-theme: dark; /* name of the default Swagger theme for this variant, can be overridden in config.toml */

    --MENU-HEADER-BG-color: rgba( 0, 0, 0, 0 ); /* background color of menu header */

    --MENU-HOME-LINK-color: #ffffff; /* home button color if configured */
    --MENU-HOME-LINK-HOVER-color: #d0d0d0; /* hovered home button color if configured */

    --MENU-SEARCH-color: #e0e0e0; /* text and icon color of search box */
    --MENU-SEARCH-BG-color: #323232; /* background color of search box */
    --MENU-SEARCH-BORDER-color: #e0e0e0; /* border color of search box */

    --MENU-SECTIONS-BG-color: linear-gradient( 165deg, #f300b2d3 0%, #1c90f3b3 65%, #00e3d3b3 100% ); /* background of the menu; this is NOT just a color value but can be a complete CSS background definition including gradients, etc. */
    --MENU-SECTIONS-ACTIVE-BG-color: rgba( 0, 0, 0, .166 ); /* background color of the active menu section */
    --MENU-SECTIONS-LINK-color: #ffffff; /* link color of menu topics */
    --MENU-SECTIONS-LINK-HOVER-color: #d0d0d0; /* hovered link color of menu topics */
    --MENU-SECTION-ACTIVE-CATEGORY-color: #56ffe8; /* text color of the displayed menu topic */
    --MENU-SECTION-HR-color: #bababa; /* separator color of menu footer */

    --MENU-VISITED-color: #33a1ff; /* icon color of visited menu topics if configured */

    /* base styling for boxes */
    --BOX-CAPTION-color: rgba( 240, 240, 240, 1 ); /* text color of colored box titles */
    --BOX-BG-color: rgba( 20, 20, 20, 1 ); /* background color of colored boxes */
    --BOX-TEXT-color: initial; /* text color of colored box content */

    /* optional base colors for colored boxes as in attachments and notice shortcode */
    --BOX-BLUE-color: rgba( 48, 117, 229, 1 ); /* background color of blue boxes */
    --BOX-BLUE-TEXT-color: var( --BOX-BLUE-color ); /* text color of blue boxes */
    --BOX-GREEN-color: rgba( 42, 178, 24, 1 ); /* background color of green boxes */
    --BOX-GREEN-TEXT-color: var( --BOX-GREEN-color ); /* text color of green boxes */
    --BOX-GREY-color: rgba( 128, 128, 128, 1 ); /* background color of grey boxes */
    --BOX-GREY-TEXT-color: var( --BOX-GREY-color ); /* text color of grey boxes */
    --BOX-ORANGE-color: rgba( 237, 153, 9, 1 ); /* background color of orange boxes */
    --BOX-ORANGE-TEXT-color: var( --BOX-ORANGE-color ); /* text color of orange boxes */
    --BOX-RED-color: rgba( 224, 62, 62, 1 ); /* background color of red boxes */
    --BOX-RED-TEXT-color: var( --BOX-RED-color ); /* text color of red boxes */
}

body a#logo,
body #logo svg,
body #logo svg * {
    color: var(--INTERNAL-MENU-SEARCH-color);
    fill: var(--INTERNAL-MENU-SEARCH-color) !important;
}

body a#logo{
    color: var(--INTERNAL-MENU-SEARCH-color);
    text-shadow:
        0 0  1px var(--INTERNAL-MENU-SEARCH-color),
        0 0  2px var(--INTERNAL-MENU-SEARCH-color),
        0 0  4px var(--INTERNAL-MENU-SEARCH-color),
        0 0  8px #808080,
        0 0  4px var(--INTERNAL-MENU-SECTIONS-LINK-HOVER-color),
        0 0  8px var(--INTERNAL-MENU-SECTIONS-LINK-HOVER-color);
}

body h1 {
    color: #fff;
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  4px #fff,
        0 0  8px #fff,
        0 0  3px var(--INTERNAL-MAIN-TITLES-H1-color),
        0 0  6px var(--INTERNAL-MAIN-TITLES-H1-color),
        0 0  8px var(--INTERNAL-MAIN-TITLES-H1-color);
}

body h2 {
    color: #fff;
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  8px #808080,
        0 0  4px var(--INTERNAL-MAIN-TITLES-H2-color),
        0 0  8px var(--INTERNAL-MAIN-TITLES-H2-color),
        0 0 10px var(--INTERNAL-MAIN-TITLES-H2-color);
}

@media screen {
    body:not(.print) rapi-doc::part(section-overview-title) {
        color: #fff;
        text-shadow:
            0 0  1px #fff,
            0 0  2px #fff,
            0 0  8px #808080,
            0 0  4px var(--INTERNAL-MAIN-TITLES-H2-color),
            0 0  8px var(--INTERNAL-MAIN-TITLES-H2-color),
            0 0 10px var(--INTERNAL-MAIN-TITLES-H2-color);
    }
}

body h3, body .article-subheading {
    color: #fff;
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  8px #808080,
        0 0  4px var(--INTERNAL-MAIN-TITLES-H3-color),
        0 0  8px var(--INTERNAL-MAIN-TITLES-H3-color),
        0 0 10px var(--INTERNAL-MAIN-TITLES-H3-color);
}

body h4 {
    color: #fff;
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  8px #808080,
        0 0  4px var(--INTERNAL-MAIN-TITLES-H4-color),
        0 0  8px var(--INTERNAL-MAIN-TITLES-H4-color),
        0 0 10px var(--INTERNAL-MAIN-TITLES-H4-color);
}

body h5 {
    color: #fff;
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  8px #808080,
        0 0  4px var(--INTERNAL-MAIN-TITLES-H5-color),
        0 0  8px var(--INTERNAL-MAIN-TITLES-H5-color),
        0 0 10px var(--INTERNAL-MAIN-TITLES-H5-color);
}

body h6 {
    color: #fff;
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  8px #808080,
        0 0  4px var(--INTERNAL-MAIN-TITLES-H6-color),
        0 0  8px var(--INTERNAL-MAIN-TITLES-H6-color),
        0 0 10px var(--INTERNAL-MAIN-TITLES-H5-color);
}

body #sidebar ul.collapsible-menu li.active > .toggle,
body #sidebar ul.topics li.active > a {
    color: #fff;
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  8px #808080,
        0 0  4px var(--INTERNAL-MENU-SECTION-ACTIVE-CATEGORY-color),
        0 0  8px var(--INTERNAL-MENU-SECTION-ACTIVE-CATEGORY-color);
}

body #sidebar .searchbox button:hover,
body .searchbox span:hover {
    color: #fff;
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  8px #808080,
        0 0  4px var(--INTERNAL-MENU-SEARCH-color),
        0 0  8px var(--INTERNAL-MENU-SEARCH-color);
}

body #sidebar select:hover,
body #sidebar .collapsible-menu .toggle:hover,
body #sidebar .select-container:hover,
body #sidebar a:hover,
body #sidebar button:hover {
    color: #fff;
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  8px #808080,
        0 0  4px var(--INTERNAL-MENU-SECTIONS-LINK-HOVER-color),
        0 0  8px var(--INTERNAL-MENU-SECTIONS-LINK-HOVER-color);
}

body #homelinks a:hover {
    color: #fff;
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  8px #808080,
        0 0  4px var(--INTERNAL-MENU-HOME-LINK-HOVER-color),
        0 0  8px var(--INTERNAL-MENU-HOME-LINK-HOVER-color);
}

body h1 a,
body h2 a,
body h3 a,
body h4 a,
body h5 a,
body h6 a,
body .anchor {
    text-shadow: none;
}

body .btn,
body div.box {
    box-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  4px #808080,
        0 0  4px var(--VARIABLE-BOX-color);
}

body .btn,
body .btn > *,
body div.box > .box-label {
    text-shadow:
        0 0  1px #fff,
        0 0  2px #fff,
        0 0  4px #808080,
        0 0  4px var(--VARIABLE-BOX-CAPTION-color);
}

body .btn.cstyle {
    --VARIABLE-BOX-TEXT-color: var(--VARIABLE-BOX-CAPTION-color);
}

body .btn.cstyle.transparent {
    --VARIABLE-BOX-BG-color: var(--INTERNAL-BOX-BG-color);
}

body .btn.cstyle.transparent > * {
    border-color: var(--VARIABLE-BOX-color);
    color: var(--VARIABLE-BOX-CAPTION-color);
}

body .btn.cstyle.transparent > *:hover,
body .btn.cstyle.transparent > *:focus,
body .btn.cstyle.transparent > *:active {
    background-color: var(--INTERNAL-MAIN-TITLES-TEXT-color);
    color: var(--INTERNAL-MAIN-TEXT-color);
}

body .box.cstyle.transparent {
    box-shadow: none;
}

@media print {
    #body h1,
    #body h2,
    #body h3, #body .article-subheading,
    #body h4,
    #body h5,
    #body h6 {
        text-shadow: none;
    }
    #body .btn,
    #body div.box,
    #body div.box > .box-label {
        box-shadow: none;
        text-shadow: none;
    }
}

/* if we are in print chapter preview our @media statement from
above will not apply, so we have to repeat it here */
.print #body h1,
.print #body h2,
.print #body h3, .print #body .article-subheading,
.print #body h4,
.print #body h5,
.print #body h6 {
    text-shadow: none;
}
.print #body .btn,
.print #body div.box,
.print #body div.box > .box-label {
    box-shadow: none;
    text-shadow: none;
}

}