diff --git a/css/feels-night.css b/css/feels-night.css
index 2ee16398..dbefcb7f 100644
--- a/css/feels-night.css
+++ b/css/feels-night.css
@@ -759,7 +759,7 @@ pre {
   overflow: auto;
   font-size: 85%;
   line-height: 1.45;
-  background-color: #f6f8fa;
+  background-color: rgba(255, 255, 255, 0.38);
   border-radius: 6px;
   font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
   white-space: break-spaces; }
diff --git a/css/feels.css b/css/feels.css
index 38118567..7c72fbb7 100644
--- a/css/feels.css
+++ b/css/feels.css
@@ -759,7 +759,7 @@ pre {
   overflow: auto;
   font-size: 85%;
   line-height: 1.45;
-  background-color: #f6f8fa;
+  background-color: rgba(0, 0, 0, 0.12);
   border-radius: 6px;
   font-family: SFMono-Regular, Consolas, Liberation Mono, Menlo, monospace;
   white-space: break-spaces; }