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

:root {
  --PRIMARY-color: rgba(243, 0, 178, 1); /* brand primary color */
  --SECONDARY-color: rgb(50, 189, 243, 1); /* brand secondary color */
  --ACCENT-color: rgba(255, 255, 0, 1); /* brand accent color, used for search highlights */

  --MAIN-TEXT-color: rgba(224, 224, 224, 1); /* text color of content and h1 titles */
  --MAIN-LINK-HOVER-color: rgb(80, 215, 255, 1); /* hovered link color of content */
  --MAIN-BG-color: rgba(16, 16, 16, 1); /* background color of content */

  /* optional overwrites for specific headers */
  --MAIN-TITLES-TEXT-color: rgba(243, 0, 178, 1); /* text color of h2-h6 titles and transparent box titles */
  --MAIN-TITLES-H3-TEXT-color: rgba(255, 255, 0, 1); /* text color of h3-h6 titles */
  --MAIN-TITLES-H4-TEXT-color: rgba(154, 111, 255, 1); /* text color of h4-h6 titles */

  --CODE-theme: neon; /* name of the chroma stylesheet file */
  --CODE-BLOCK-color: rgba(248, 248, 242, 1); /* fallback text color of block code; should be adjusted to your selected chroma style */
  --CODE-BLOCK-BG-color: rgba(0, 0, 0, 1); /* fallback background color of block code; should be adjusted to your selected chroma style */
  --CODE-INLINE-color: rgba(130, 229, 80, 1); /* text color of inline code */
  --CODE-INLINE-BG-color: rgba(40, 42, 54, 1); /* background color of inline code */
  --CODE-INLINE-BORDER-color: rgba(70, 70, 70, 1); /* border color of inline code */

  --BROWSER-theme: dark; /* name of the theme for browser scrollbars of the main section */
  --MERMAID-theme: dark; /* name of the default Mermaid theme for this variant, can be overridden in hugo.toml */
  --OPENAPI-theme: dark; /* name of the default OpenAPI theme for this variant, can be overridden in hugo.toml */
  --OPENAPI-CODE-theme: tomorrow-night; /* name of the default OpenAPI code theme for this variant, can be overridden in hugo.toml */

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

  --MENU-HOME-LINK-color: rgba(255, 255, 255, 1); /* home button color if configured */
  --MENU-HOME-LINK-HOVER-color: rgba(208, 208, 208, 1); /* hovered home button color if configured */

  --MENU-SEARCH-color: rgba(248, 248, 248, 1); /* text and icon color of search box */
  --MENU-SEARCH-BG-color: rgba(16, 16, 16, 0.6); /* background color of search box */
  --MENU-SEARCH-BORDER-color: rgba(232, 232, 232, 1); /* border color of search box */

  --MENU-SECTIONS-BG-color: linear-gradient(165deg, rgba(243, 0, 178, 0.825) 0%, rgba(28, 144, 243, 0.7) 65%, rgba(0, 227, 211, 0.7) 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, 0.166); /* background color of the active menu section */
  --MENU-SECTIONS-LINK-color: rgba(255, 255, 255, 1); /* link color of menu topics */
  --MENU-SECTIONS-LINK-HOVER-color: rgba(208, 208, 208, 1); /* hovered link color of menu topics */
  --MENU-SECTION-ACTIVE-CATEGORY-color: rgba(86, 255, 232, 1); /* text color of the displayed menu topic */
  --MENU-SECTION-SEPARATOR-color: rgba(186, 186, 186, 1); /* separator color between menu sections and menu footer */

  --MENU-VISITED-color: rgba(51, 161, 255, 1); /* 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(8, 8, 8, 1); /* background color of colored boxes */
  --BOX-TEXT-color: initial; /* text color of colored box content */

  /* optional base colors for colored boxes as in badges, buttons, notice, etc. 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-CYAN-color: rgba(30, 190, 190, 1); /* background color of cyan boxes */
  --BOX-CYAN-TEXT-color: var(--BOX-CYAN-color); /* text color of cyan 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-MAGENTA-color: rgba(237, 33, 220, 1); /* background color of magenta boxes */
  --BOX-MAGENTA-TEXT-color: var(--BOX-MAGENTA-color); /* text color of magenta 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#R-logo,
body a#R-logo:hover,
body #R-logo svg,
body #R-logo svg * {
  color: var(--INTERNAL-MENU-SEARCH-BORDER-color);
  fill: var(--INTERNAL-MENU-SEARCH-BORDER-color) !important;
}

body a#R-logo {
  text-shadow:
    0 0 1px var(--INTERNAL-MENU-SEARCH-BORDER-color),
    0 0 2px var(--INTERNAL-MENU-SEARCH-BORDER-color),
    0 0 4px var(--INTERNAL-MENU-SEARCH-BORDER-color),
    0 0 8px rgba(128, 128, 128, 1),
    0 0 4px var(--INTERNAL-MENU-SECTIONS-LINK-HOVER-color),
    0 0 8px var(--INTERNAL-MENU-SECTIONS-LINK-HOVER-color);
}

body h1 {
  color: rgba(255, 255, 255, 1);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 1),
    0 0 2px rgba(255, 255, 255, 1),
    0 0 4px rgba(255, 255, 255, 1),
    0 0 8px rgba(255, 255, 255, 1),
    0 0 3px var(--INTERNAL-MAIN-TITLES-H1-TEXT-color),
    0 0 6px var(--INTERNAL-MAIN-TITLES-H1-TEXT-color),
    0 0 8px var(--INTERNAL-MAIN-TITLES-H1-TEXT-color);
}

body h2 {
  color: rgba(255, 255, 255, 1);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 1),
    0 0 2px rgba(255, 255, 255, 1),
    0 0 8px rgba(128, 128, 128, 1),
    0 0 4px var(--INTERNAL-MAIN-TITLES-H2-TEXT-color),
    0 0 8px var(--INTERNAL-MAIN-TITLES-H2-TEXT-color),
    0 0 10px var(--INTERNAL-MAIN-TITLES-H2-TEXT-color);
}

body h3,
body .article-subheading {
  color: rgba(255, 255, 255, 1);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 1),
    0 0 2px rgba(255, 255, 255, 1),
    0 0 8px rgba(128, 128, 128, 1),
    0 0 4px var(--INTERNAL-MAIN-TITLES-H3-TEXT-color),
    0 0 8px var(--INTERNAL-MAIN-TITLES-H3-TEXT-color),
    0 0 10px var(--INTERNAL-MAIN-TITLES-H3-TEXT-color);
}

body h4 {
  color: rgba(255, 255, 255, 1);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 1),
    0 0 2px rgba(255, 255, 255, 1),
    0 0 8px rgba(128, 128, 128, 1),
    0 0 4px var(--INTERNAL-MAIN-TITLES-H4-TEXT-color),
    0 0 8px var(--INTERNAL-MAIN-TITLES-H4-TEXT-color),
    0 0 10px var(--INTERNAL-MAIN-TITLES-H4-TEXT-color);
}

body h5 {
  color: rgba(255, 255, 255, 1);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 1),
    0 0 3px rgba(255, 255, 255, 1),
    0 0 6px rgba(128, 128, 128, 1),
    0 0 4px var(--INTERNAL-MAIN-TITLES-H5-TEXT-color),
    0 0 8px var(--INTERNAL-MAIN-TITLES-H5-TEXT-color);
}

body h6 {
  color: rgba(255, 255, 255, 1);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 1),
    0 0 2px rgba(255, 255, 255, 1),
    0 0 4px rgba(128, 128, 128, 1),
    0 0 4px var(--INTERNAL-MAIN-TITLES-H6-TEXT-color),
    0 0 8px var(--INTERNAL-MAIN-TITLES-H6-TEXT-color);
}

.swagger-ui h1,
.swagger-ui h2,
.swagger-ui h3,
.swagger-ui h4,
.swagger-ui h5,
.swagger-ui h6 {
  color: rgba(255, 255, 255, 1) !important;
}

body #R-sidebar .searchbox button:hover {
  color: rgba(255, 255, 255, 1);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 1),
    0 0 2px rgba(255, 255, 255, 1),
    0 0 8px rgba(128, 128, 128, 1),
    0 0 4px var(--INTERNAL-MENU-SEARCH-color),
    0 0 8px var(--INTERNAL-MENU-SEARCH-color);
}

body #R-sidebar select:hover,
body #R-sidebar .collapsible-menu li:not(.active) > label:hover,
body #R-sidebar .menu-control:hover,
body #R-sidebar a:hover,
body #R-prefooter button:hover {
  color: rgba(255, 255, 255, 1);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 1),
    0 0 2px rgba(255, 255, 255, 1),
    0 0 8px rgba(128, 128, 128, 1),
    0 0 4px var(--INTERNAL-MENU-SECTIONS-LINK-HOVER-color),
    0 0 8px var(--INTERNAL-MENU-SECTIONS-LINK-HOVER-color);
}

body #R-sidebar li.active > label,
body #R-sidebar li.active > :is(a, span) {
  color: rgba(255, 255, 255, 1);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 1),
    0 0 2px rgba(255, 255, 255, 1),
    0 0 8px rgba(128, 128, 128, 1),
    0 0 4px var(--INTERNAL-MENU-SECTION-ACTIVE-CATEGORY-color),
    0 0 8px var(--INTERNAL-MENU-SECTION-ACTIVE-CATEGORY-color);
}

body #R-homelinks.homelinks a:hover {
  color: rgba(255, 255, 255, 1);
  text-shadow:
    0 0 1px rgba(255, 255, 255, 1),
    0 0 2px rgba(255, 255, 255, 1),
    0 0 8px rgba(128, 128, 128, 1),
    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 .badge,
body .btn,
body .box:not(.cstyle.transparent) {
  box-shadow: 0 0 1px rgba(255, 255, 255, 1), 0 0 2px rgba(255, 255, 255, 1), 0 0 4px rgba(128, 128, 128, 1), 0 0 4px var(--VARIABLE-BOX-color);
}

body .badge > .badge-content,
body .btn,
body .btn > *,
body .box:not(.cstyle.transparent) > .box-label {
  text-shadow: 0 0 1px rgba(255, 255, 255, 1), 0 0 2px rgba(255, 255, 255, 1), 0 0 4px rgba(128, 128, 128, 1), 0 0 4px var(--VARIABLE-BOX-CAPTION-color);
}

body .tab-panel-cstyle:not(.transparent),
body .badge.cstyle:not(.transparent),
body .btn.cstyle {
  --VARIABLE-BOX-TEXT-color: var(--VARIABLE-BOX-CAPTION-color);
}

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

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

@media print {
  #R-body h1,
  #R-body h2,
  #R-body h3,
  #R-body .article-subheading,
  #R-body h4,
  #R-body h5,
  #R-body h6 {
    text-shadow: none;
  }
  #R-body .badge,
  #R-body .badge > .badge-content,
  #R-body .btn,
  #R-body .btn > *,
  #R-body .box,
  #R-body .box > .box-label {
    box-shadow: none;
    text-shadow: none;
  }
  #R-body .badge.cstyle:not(.transparent),
  #R-body .btn.cstyle {
    --VARIABLE-BOX-TEXT-color: var(--INTERNAL-BOX-NEUTRAL-TEXT-color);
  }
}

/* if we are in print chapter preview our @media statement from
above will not apply, so we have to repeat it here */
.print #R-body h1,
.print #R-body h2,
.print #R-body h3,
.print #R-body .article-subheading,
.print #R-body h4,
.print #R-body h5,
.print #R-body h6 {
  text-shadow: none;
}
.print #R-body .badge,
.print #R-body .badge > .badge-content,
.print #R-body .btn,
.print #R-body .btn > *,
.print #R-body .box,
.print #R-body .box > .box-label {
  box-shadow: none;
  text-shadow: none;
}
.print #R-body .badge.cstyle:not(.transparent),
.print #R-body .btn.cstyle {
  --VARIABLE-BOX-TEXT-color: var(--INTERNAL-BOX-NEUTRAL-TEXT-color);
}

#R-content-wrapper {
  --ps-thumb-color: rgba(208, 208, 208, 1);
  --ps-thumb-hover-color: rgba(204, 204, 204, 1);
}