dark mode and light mode support

pages/blog/index.tsx

@@ -1,7 +1,6 @@
 import { GetServerSideProps } from "next";
 import { MainLayout } from "../../layouts/MainLayout";
 import { Post, getAllBlogsFrontMatter } from "../../utils/markdown";
-import { FrontMatter } from "../../types/types";
 import Link from "next/link";
 import { formatDate } from "../../utils/general";
 import { BasicArticleProps } from "../../components/PostHeader";
@@ -14,12 +13,14 @@ const BlogCard = ({
   slug: string;
 }) => {
   return (
-    <div className="p-4 rounded-md border border-gray-700">
+    <div className="p-4 rounded-md border border-gray-200 shadow-md shadow-gray-200 dark:border-gray-700">
       <div className="text-sm font-medium text-gray-500">
         {formatDate(blog.date)}
       </div>
       <h2 className="text-2xl font-bold">{blog.title}</h2>
-      <p className="text-gray-400 text-lg">{blog.description}</p>
+      <p className="text-gray-600 dark:text-gray-400 text-lg">
+        {blog.description}
+      </p>
       <Link href={`blog/${slug}`}>
         <button className="bg-action px-2 py-1 rounded-md mt-4 hover:bg-action/60 transition-all ease-in duration-100 font-bold text-white">
           Read more
@@ -32,9 +33,9 @@ const BlogCard = ({
 const Blog = ({ posts }: { posts: Post[] }) => {
   return (
     <MainLayout>
-      <h1 className="text-3xl font-bold">Blog</h1>
-      <div className="w-full h-0.5 bg-white/50 my-4 rounded-full" />
-      <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+      <h1 className="text-3xl font-bold text-gray-800">Blog</h1>
+      <div className="w-full h-0.5 bg-gray-200 dark:bg-gray-800 my-4 rounded-full" />
+      <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
         {posts.map((post, index) => (
           <BlogCard
             key={index}