docs: update styles

Author: mrholek

packages/docs/.vuepress/theme-coreui/src/client/styles/_footer.scss

@@ -7,7 +7,7 @@
   @include font-size(.875rem);
 
   a {
-    color: var(--#{$prefix}tertiary-color);
+    color: #768192;
     text-decoration: none;
 
     &:hover,

packages/docs/.vuepress/theme-coreui/src/client/styles/_prism.scss

@@ -6,8 +6,7 @@ https://prismjs.com/download.html#themes=prism-tomorrow&languages=markup+css+cli
  * @author Rose Pritchard
  */
 
-:root,
-[data-coreui-theme="light"] {
+:root {
   // --base00: #fff;
   // --base01: #f5f5f5;
   --base02: #c8c8fa;
@@ -24,32 +23,6 @@ https://prismjs.com/download.html#themes=prism-tomorrow&languages=markup+css+cli
   --base0D: #{$purple-500}; // #795da3
   --base0E: #{$pink-600}; // #a71d5d
   --base0F: #333;
- }
-
-@include color-mode(dark, true) {
-  // --base00: #282c34;
-  // --base01: #353b45;
-  --base02: #3e4451;
-  --base03: #868e96;
-  --base04: #868e96;
-  --base05: #abb2bf;
-  --base06: #b6bdca;
-  --base07: #{$orange-300}; // #d19a66
-  --base08: #{$cyan-300};
-  --base09: #{$orange-300}; // #d19a66
-  --base0A: #{$yellow-200}; // #e5c07b
-  --base0B: #{$teal-300}; // #98c379
-  --base0C: #{$teal-300}; // #56b6c2
-  --base0D: #{$blue-300}; // #61afef
-  --base0E: #{$indigo-200}; // #c678dd
-  --base0F: #{$red-300}; // #be5046
-
-  .language-diff .gd {
-    color: $red-400;
-  }
-  .language-diff .gi {
-    color: $green-400;
-  }
 }
 
 code[class*='language-'],

packages/docs/.vuepress/theme-coreui/src/client/styles/_search.scss

@@ -5,26 +5,6 @@
   --docsearch-logo-color: var(--cui-primary);
 }
 
-@include color-mode(dark, true) {
-  // From here, the values are copied from https://cdn.jsdelivr.net/npm/@docsearch/css@3
-  // in html[data-theme="dark"] selector
-  // and are slightly modified for formatting purpose
-  --docsearch-text-color: #f5f6f7;
-  --docsearch-container-background: rgba(9, 10, 17, .8);
-  --docsearch-modal-background: #15172a;
-  --docsearch-modal-shadow: inset 1px 1px 0 0 #2c2e40, 0 3px 8px 0 #000309;
-  --docsearch-searchbox-background: #090a11;
-  --docsearch-searchbox-focus-background: #000;
-  --docsearch-hit-color: #bec3c9;
-  --docsearch-hit-shadow: none;
-  --docsearch-hit-background: #090a11;
-  --docsearch-key-gradient: linear-gradient(-26.5deg, #565872, #31355b);
-  --docsearch-key-shadow: inset 0 -2px 0 0 #282d55, inset 0 0 1px 1px #51577d, 0 2px 2px 0 rgba(3, 4, 9, .3);
-  --docsearch-footer-background: #1e2136;
-  --docsearch-footer-shadow: inset 0 1px 0 0 rgba(73, 76, 106, .5), 0 -4px 8px 0 rgba(0, 0, 0, .2);
-  --docsearch-muted-color: #7f8497;
-}
-
 .DocSearch-Container {
   --docsearch-muted-color: var(--cui-secondary-color);
   --docsearch-hit-shadow: none;

packages/docs/.vuepress/theme-coreui/src/client/styles/_syntax.scss

@@ -20,6 +20,7 @@ $cd-gutter-x: 3rem;
 $cd-callout-variants: info, warning, danger !default;
 
 :root {
+  --cui-tertiary-bg: #f0f4f7;
   --cd-purple: #{$cd-purple};
   --cd-violet: #{$cd-violet};
   --cd-accent: #{$cd-accent};