fix: codeblock bg missing

Author: phil-flip

README.md

@@ -21,7 +21,7 @@ For production, please use the numbered version to prevent breaking changes in p
 ``` html
 <link rel="stylesheet" media="(prefers-color-scheme: dark)" href="./_css/colors-dark.css">
 <link rel="stylesheet" media="(prefers-color-scheme: light)" href="./_css/colors-light.css">
-<link rel="stylesheet" href="https://unpkg.com/docsify-simple-themeable@1.0.5/dist/main.min.css">
+<link rel="stylesheet" href="https://unpkg.com/docsify-simple-themeable@1.0.6/dist/main.min.css">
 ```
 
 ### Development

package.json

@@ -1,6 +1,6 @@
 {
   "name": "docsify-simple-themeable",
-  "version": "1.0.5",
+  "version": "1.0.6",
   "description": "A docsify.js plugin to simplify the color selection for docsify-themeable.",
   "repository": {
     "type": "git",

src/main.css

@@ -16,6 +16,7 @@
   --blockquote-color: var(--base-content);
 
   --code-theme-text: var(--base-content);
+  --code-theme-background: var(--base-200);
 
   --heading-color: var(--base-content);
   --heading-h2-border-color: var(--neutral);