Fix code padding color busted from DS alpha.41

Author: markerikson

website/src/css/custom.css

@@ -19,6 +19,8 @@
 
   --ifm-blockquote-color: #ecf4f9;
   --ifm-blockquote-color-dark: #cbddea;
+
+  --ifm-pre-background: rgb(39, 40, 34);
 }
 
 @media screen and (max-width: 996px) {
@@ -47,6 +49,11 @@ blockquote {
   padding: 0 var(--ifm-pre-padding);
 }
 
+code {
+  background-color: var(--ifm-color-emphasis-300);
+  border-radius: 0.2rem;
+}
+
 a code,
 code a {
   color: inherit;