Update custom.css with Nabla background & logo colours

Author: AnastaZIuk

src/css/custom.css

@@ -1,36 +1,18 @@
-/**
- * Any CSS included here will be global. The classic template
- * bundles Infima by default. Infima is a CSS framework designed to
- * work well for content-centric websites.
- */
-
-/* You can override the default Infima variables here. */
 :root {
-  --ifm-color-primary: #8a2be2;
-  --ifm-color-primary-dark: #7a24cc;
-  --ifm-color-primary-darker: #6d1fb8;
-  --ifm-color-primary-darkest: #5a1b95;
-  --ifm-color-primary-light: #9e47f2;
-  --ifm-color-primary-lighter: #ab65f5;
-  --ifm-color-primary-lightest: #c28cf8;
-  --ifm-color-landing: #white;
-  --ifm-code-font-size: 95%;
-  --docusaurus-highlighted-code-line-bg: rgba(138, 43, 226, 0.1);
-}
-
-[data-theme='dark'] {
-  --ifm-color-primary: #b19cd9;
-  --ifm-color-primary-dark: #a288c7;
-  --ifm-color-primary-darker: #9277b4;
-  --ifm-color-primary-darkest: #8363a2;
-  --ifm-color-primary-light: #c1a7e2;
-  --ifm-color-primary-lighter: #d1b5eb;
-  --ifm-color-primary-lightest: #e2c8f3;
-  --ifm-color-landing: #1b1b1d;
-  --docusaurus-highlighted-code-line-bg: rgba(177, 156, 217, 0.3);
+  --ifm-background-color: #000000;
+  --ifm-color-text: #00cccc;
 }
 
 .navbar__logo {
   border-radius: 4px;
   overflow: hidden;
-}
+}
+
+html, body, .theme-doc-markdown, .theme-blog-homepage, .theme-blog-post, .main-wrapper {
+    background-color: #000000 !important;
+}
+
+h1, h2, h3, h4, h5, h6,
+a {
+  color: #00cccc !important;
+}