style for latest sphinx css

diff --git a/doc/build/static/docs.css b/doc/build/static/docs.css
index 64659acf8105cc8a853e434e1f630791ea1c9d29..5677a046a87f61deade78c76fa629ad2e7bb1ed8 100644 (file)
--- a/doc/build/static/docs.css
+++ b/doc/build/static/docs.css
@@ -247,6 +247,10 @@ div#dialect-documentation {
 
 /* SQL popup, code styles */
 
+.highlight {
+  background:none;
+}
+
 pre {
   background-color: #f0f0f0;  
   border: solid 1px #ccc;