diff --git a/doc.zih.tu-dresden.de/tud_theme/stylesheets/extra.css b/doc.zih.tu-dresden.de/tud_theme/stylesheets/extra.css
index b36001e01ce5bac241b4ded54d5adaeb30a3eb6c..2314b545cfae7a8bdbc8a668ef28577012961f9b 100644
--- a/doc.zih.tu-dresden.de/tud_theme/stylesheets/extra.css
+++ b/doc.zih.tu-dresden.de/tud_theme/stylesheets/extra.css
@@ -18,6 +18,10 @@
     --md-primary-fg-color:        rgb(0, 37, 87);
     --md-primary-fg-color--light: rgb(39, 66, 117);
     --md-footer-bg-color:         rgb(0, 37, 87);
+    
+    --tud-blue-20:                rgb(191, 201, 215);
+    --tud-blue-10:                rgb(207, 214, 225);
+    --ms-blue:                    rgb(233, 237, 242);
     /* secondary colors */
     --tud-grey-100:               rgb(51, 51, 51);
     --tud-grey-95:                rgb(102, 102, 102);
@@ -82,7 +86,9 @@ strong {
 
 .md-typeset code {
     word-break: normal;
-    background-color: var(--grey-75);
+    #background-color: var(--grey-75);
+    #background-color: var(--tud-blue-10);
+    background-color: var(--ms-blue);
 }
 
 .md-typeset .admonition,