fix occasional code block color legibility

diff --git a/docs/_static/css/custom.css b/docs/_static/css/custom.css
index 87694a5987ab9080c030584847e8bf0a134b2299..c0b3ed83ada2495b17263456b5c88b2301635f08 100644 (file)
--- a/docs/_static/css/custom.css
+++ b/docs/_static/css/custom.css
@@ -439,7 +439,8 @@ a.image-reference img {
 }
 
 .rst-content code.literal,
-.rst-content tt.literal {
+.rst-content tt.literal,
+html.writer-html5 .rst-content dl.footnote code {
   border-color: var(--color-border);
   background-color: var(--color-border);
   color: var(--color-text-code-inline)