diff --git a/src/css/custom.css b/src/css/custom.css
index e3f4b72..03285fd 100644
--- a/src/css/custom.css
+++ b/src/css/custom.css
@@ -25,6 +25,11 @@
 
 body {
   font-family: 'Source Sans Pro';
+  color: var(--ifr-color-neutral-90);
+}
+
+[data-theme='dark'] body {
+  color: var(--ifr-color-neutral-10);
 }
 
 .landingPage {
@@ -221,7 +226,6 @@ body {
   --ifm-color-primary-lightest: #fd338b;
   --ifm-link-color: var(--ifm-color-primary);
   --ifr-color-neutral-10: #fbfafb;
-  --ifr-color-neutral-90: #1c1533;
 }
 
 /* Dark mode styles */
@@ -239,6 +243,14 @@ html[data-theme='dark'] {
   --ifm-background-color: #1c1533;
 }
 
+[data-theme='dark'] .landingPage {
+  background: radial-gradient(
+    circle,
+    rgba(52, 52, 79, 1) 0%,
+    rgba(28, 21, 51, 1) 60%
+  );
+}
+
 [data-theme='dark'] .navbar {
   background-color: #3d3751;
 }
@@ -258,10 +270,73 @@ html[data-theme='dark'] {
   text-decoration: none;
 }
 
-[data-theme='dark'] .landingPage {
-  background: radial-gradient(
-    circle,
-    rgba(52, 52, 79, 1) 0%,
-    rgba(28, 21, 51, 1) 60%
-  );
+/* Doc file styles */
+
+.language-diff,
+.language-python,
+.language-yaml,
+.language-java,
+.language-xml,
+.language-binary {
+  --prism-background-color: var(--ifr-color-neutral-white);
+}
+
+[data-theme='dark'] .language-diff,
+[data-theme='dark'] .language-python,
+[data-theme='dark'] .language-yaml,
+[data-theme='dark'] .language-java,
+[data-theme='dark'] .language-xml,
+[data-theme='dark'] .language-binary {
+  --prism-background-color: var(--ifr-color-neutral-80);
+}
+
+/* left side bar */
+
+.theme-doc-sidebar-item-category li .menu__link.menu__link--active,
+.theme-doc-sidebar-menu li .menu__link.menu__link--active {
+  color: var(--ifm-color-primary);
+}
+
+.theme-doc-sidebar-item-category li .menu__link,
+.theme-doc-sidebar-menu li .menu__link {
+  color: var(--ifr-color-neutral-90);
+}
+
+[data-theme='dark'] .theme-doc-sidebar-item-category li .menu__link,
+[data-theme='dark'] .theme-doc-sidebar-menu li .menu__link {
+  color: var(--ifr-color-neutral-10);
+}
+[data-theme='dark']
+  .theme-doc-sidebar-item-category
+  li
+  [data-theme='dark']
+  .menu__link.menu__link--active,
+.theme-doc-sidebar-menu li .menu__link.menu__link--active {
+  color: var(--ifm-color-primary);
+}
+
+/* Right side bar */
+
+.table-of-contents li a {
+  color: var(--ifr-color-neutral-90);
+}
+
+.table-of-contents li a.table-of-contents__link--active {
+  color: var(--ifm-color-primary);
+}
+
+[data-theme='dark'] .table-of-contents li a {
+  color: var(--ifr-color-neutral-10);
+}
+
+[data-theme='dark'] .table-of-contents li a.table-of-contents__link--active {
+  color: var(--ifm-color-primary);
+}
+
+.table-of-contents {
+  border-color: var(--ifr-color-neutral-20);
+}
+
+[data-theme='dark'] .table-of-contents {
+  border-color: var(--ifr-color-neutral-70);
 }