docs: Use light gray for background on the right. (#7438)

diff --git a/docs/_static/custom.css b/docs/_static/custom.css
index 6934d70172215f125023f7e6b05f826cbcf91067..9039d15a12ebcc2c7f469daf2ad56752dc0b069f 100644 (file)
--- a/docs/_static/custom.css
+++ b/docs/_static/custom.css
@@ -31,10 +31,6 @@ code.xref {
   border-color: #0077b3;
 }
 
-.wy-body-for-nav {
-  background: #343131;
-}
-
 .wy-menu-vertical a {
   color: #4dc3ff;
 }