revert the css revert for chatbot styles (#266)

More specific rules will be used in the chatbot css

Author: recrwplay

src/css/doc.css

@@ -1,7 +1,3 @@
-.doc * {
-  all: revert;
-}
-
 .doc {
   color: var(--doc-font-color);
   font-size: var(--doc-font-size);