diff --git a/src/config.ts b/src/config.ts
index 1f00e67..e7f7298 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -1,6 +1,4 @@
-import type { Site, SocialObjects } from "./types";
-
-export const SITE: Site = {
+export const SITE = {
   website: "https://astro-paper.pages.dev/", // replace this with your deployed domain
   author: "Sat Naing",
   profile: "https://satnaing.dev/",
@@ -9,147 +7,13 @@ export const SITE: Site = {
   ogImage: "astropaper-og.jpg",
   lightAndDarkMode: true,
   postPerIndex: 4,
-  postPerPage: 3,
+  postPerPage: 4,
   scheduledPostMargin: 15 * 60 * 1000, // 15 minutes
   showArchives: true,
+  showBackButton: true, // show back button in post detail
   editPost: {
     url: "https://github.com/satnaing/astro-paper/edit/main/src/content/blog",
     text: "Suggest Changes",
     appendFilePath: true,
   },
-};
-
-export const LOCALE = {
-  lang: "en", // html lang code. Set this empty and default will be "en"
-  langTag: ["en-EN"], // BCP 47 Language Tags. Set this empty [] to use the environment default
 } as const;
-
-export const LOGO_IMAGE = {
-  enable: false,
-  svg: true,
-  width: 216,
-  height: 46,
-};
-
-export const SOCIALS: SocialObjects = [
-  {
-    name: "Github",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: ` ${SITE.title} on Github`,
-    active: true,
-  },
-  {
-    name: "Facebook",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Facebook`,
-    active: true,
-  },
-  {
-    name: "Instagram",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Instagram`,
-    active: true,
-  },
-  {
-    name: "LinkedIn",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on LinkedIn`,
-    active: true,
-  },
-  {
-    name: "Mail",
-    href: "mailto:yourmail@gmail.com",
-    linkTitle: `Send an email to ${SITE.title}`,
-    active: false,
-  },
-  {
-    name: "X",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on X`,
-    active: false,
-  },
-  {
-    name: "Twitch",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Twitch`,
-    active: false,
-  },
-  {
-    name: "YouTube",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on YouTube`,
-    active: false,
-  },
-  {
-    name: "WhatsApp",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on WhatsApp`,
-    active: false,
-  },
-  {
-    name: "Snapchat",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Snapchat`,
-    active: false,
-  },
-  {
-    name: "Pinterest",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Pinterest`,
-    active: false,
-  },
-  {
-    name: "TikTok",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on TikTok`,
-    active: false,
-  },
-  {
-    name: "CodePen",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on CodePen`,
-    active: false,
-  },
-  {
-    name: "Discord",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Discord`,
-    active: false,
-  },
-  {
-    name: "GitLab",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on GitLab`,
-    active: false,
-  },
-  {
-    name: "Reddit",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Reddit`,
-    active: false,
-  },
-  {
-    name: "Skype",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Skype`,
-    active: false,
-  },
-  {
-    name: "Steam",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Steam`,
-    active: false,
-  },
-  {
-    name: "Telegram",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Telegram`,
-    active: false,
-  },
-  {
-    name: "Mastodon",
-    href: "https://github.com/satnaing/astro-paper",
-    linkTitle: `${SITE.title} on Mastodon`,
-    active: false,
-  },
-];
diff --git a/src/constants.ts b/src/constants.ts
new file mode 100644
index 0000000..beabe9a
--- /dev/null
+++ b/src/constants.ts
@@ -0,0 +1,80 @@
+import IconMail from "@/assets/icons/IconMail.svg";
+import IconGitHub from "@/assets/icons/IconGitHub.svg";
+import IconBrandX from "@/assets/icons/IconBrandX.svg";
+import IconLinkedin from "@/assets/icons/IconLinkedin.svg";
+import IconWhatsapp from "@/assets/icons/IconWhatsapp.svg";
+import IconFacebook from "@/assets/icons/IconFacebook.svg";
+import IconTelegram from "@/assets/icons/IconTelegram.svg";
+import IconPinterest from "@/assets/icons/IconPinterest.svg";
+import { SITE } from "@/config";
+
+export const LOCALE = {
+  lang: "en", // html lang code. Set this empty and default will be "en"
+  langTag: ["en-EN"], // BCP 47 Language Tags. Set this empty [] to use the environment default
+} as const;
+
+export const SOCIALS = [
+  {
+    name: "Github",
+    href: "https://github.com/satnaing/astro-paper",
+    linkTitle: ` ${SITE.title} on Github`,
+    icon: IconGitHub,
+  },
+  {
+    name: "X",
+    href: "https://x.com/username",
+    linkTitle: `${SITE.title} on X`,
+    icon: IconBrandX,
+  },
+  {
+    name: "LinkedIn",
+    href: "https://www.linkedin.com/in/username/",
+    linkTitle: `${SITE.title} on LinkedIn`,
+    icon: IconLinkedin,
+  },
+  {
+    name: "Mail",
+    href: "mailto:yourmail@gmail.com",
+    linkTitle: `Send an email to ${SITE.title}`,
+    icon: IconMail,
+  },
+] as const;
+
+export const SHARE_LINKS = [
+  {
+    name: "WhatsApp",
+    href: "https://wa.me/?text=",
+    linkTitle: `Share this post via WhatsApp`,
+    icon: IconWhatsapp,
+  },
+  {
+    name: "Facebook",
+    href: "https://www.facebook.com/sharer.php?u=",
+    linkTitle: `Share this post on Facebook`,
+    icon: IconFacebook,
+  },
+  {
+    name: "X",
+    href: "https://x.com/intent/post?url=",
+    linkTitle: `Share this post on X`,
+    icon: IconBrandX,
+  },
+  {
+    name: "Telegram",
+    href: "https://t.me/share/url?url=",
+    linkTitle: `Share this post via Telegram`,
+    icon: IconTelegram,
+  },
+  {
+    name: "Pinterest",
+    href: "https://pinterest.com/pin/create/button/?url=",
+    linkTitle: `Share this post on Pinterest`,
+    icon: IconPinterest,
+  },
+  {
+    name: "Mail",
+    href: "mailto:?subject=See%20this%20post&body=",
+    linkTitle: `Share this post via email`,
+    icon: IconMail,
+  },
+] as const;
diff --git a/src/env.d.ts b/src/env.d.ts
deleted file mode 100644
index acef35f..0000000
--- a/src/env.d.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-/// <reference path="../.astro/types.d.ts" />
-/// <reference types="astro/client" />
diff --git a/src/types.ts b/src/types.ts
deleted file mode 100644
index f61effa..0000000
--- a/src/types.ts
+++ /dev/null
@@ -1,27 +0,0 @@
-import type socialIcons from "@assets/socialIcons";
-
-export type Site = {
-  website: string;
-  author: string;
-  profile: string;
-  desc: string;
-  title: string;
-  ogImage?: string;
-  lightAndDarkMode: boolean;
-  postPerIndex: number;
-  postPerPage: number;
-  scheduledPostMargin: number;
-  showArchives?: boolean;
-  editPost?: {
-    url?: URL["href"];
-    text?: string;
-    appendFilePath?: boolean;
-  };
-};
-
-export type SocialObjects = {
-  name: keyof typeof socialIcons;
-  href: string;
-  active: boolean;
-  linkTitle: string;
-}[];