fix: kbd style

Author: Innei

src/components/ui/markdown/markdown.module.css

@@ -3,7 +3,7 @@
 
   :global {
     kbd {
-      @apply kbd kbd-sm;
+      @apply kbd kbd-sm bg-base-100;
     }
     & .spoiler {
       position: relative;

src/components/ui/markdown/renderers/LinkRenderer.tsx

@@ -66,7 +66,7 @@ export const LinkRenderer = ({ href }: { href: string }) => {
           <>
             <iframe
               src={`https://gist.github.com/${owner}/${id}.pibb`}
-              className="max-h-[50vh] w-full overflow-auto border-0"
+              className="h-[300px] w-full overflow-auto border-0"
             />
 
             <a