diff --git a/doc_src/python_docs_theme/static/pydoctheme.css b/doc_src/python_docs_theme/static/pydoctheme.css
index 451096c05..61526b590 100644
--- a/doc_src/python_docs_theme/static/pydoctheme.css
+++ b/doc_src/python_docs_theme/static/pydoctheme.css
@@ -214,7 +214,7 @@ tr, code, pre {
 
 tt, code, pre, dl > dt span ~ em, #synopsis p, dl.envvar .pre, dl.describe .pre {
     font-family: "Source Code Pro", "DejaVu Sans Mono", Menlo, "Ubuntu Mono", Consolas, Monaco, "Lucida Console", monospace, fixed;
-}}
+}
 
 pre, div[class*="highlight-"] {
     /* For some reason sphinx since 3.1.2 sets "clear: both" here, which breaks in interesting ways */