diff --git a/public/css/style.css b/public/css/style.css
index 69c8c27..54f92c8 100644
--- a/public/css/style.css
+++ b/public/css/style.css
@@ -1,3 +1,55 @@
+.dark-mode {
+  --canvas-bg-color: #1d1d1d;
+  --sidebar-bg-color: rgb(45, 50, 56);
+  --main-bg-color: rgb(45, 51, 59);
+  --header-bg-color: #3a3f61;
+
+  --hover-bg-color: rgb(255, 255, 255, 0.05);
+  --header-color: #ffffff;
+  --color: #a7b5c2;
+  --link-color: #549bf5;
+  --link-hover-color: #4a8ce4;
+  --border-color: #363f47;
+
+  --btn-color: #ffffff;
+
+  --input-color: #a7b5c2;
+  --input-bg: rgb(45, 50, 56);
+
+  --primary-bg: #3a3f61;
+  --primary-hover-bg: #2b304e;
+  --primary-color: #ffffff;
+  --primary-active-color: #dddddd;
+
+  background-color: var(--canvas-bg-color);
+  color: var(--color);
+}
+body {
+  --canvas-bg-color: #dddddd;
+  --sidebar-bg-color: #ffffff;
+  --header-bg-color: #4a507b;
+  --header-color: #ffffff;
+  --main-bg-color: #ffffff;
+  --hover-bg-color: rgb(0, 0, 0, 0.05);
+  --input-color: #333333;
+  --color: #333333;
+  --link-color: #549bf5;
+  --link-hover-color: #4a507b;
+  --border-color: #a9adb1;
+
+  --btn-color: #333333;
+
+  --input-bg: #ffffff;
+
+  --primary-bg: #4a507b;
+  --primary-hover-bg: #363b61;
+  --primary-color: #ffffff;
+  --primary-active-color: #dddddd;
+
+  background-color: var(--canvas-bg-color);
+  color: var(--color);
+}
+
 .fadeIn {
   opacity: 1;
   animation-name: fadeInOpacity;
@@ -14,6 +66,7 @@
     opacity: 1;
   }
 }
+
 .btn:focus,
 .btn:active {
   outline: none !important;
@@ -25,6 +78,35 @@ input,
 button {
   outline: none;
 }
+*:hover,
+*:active {
+  box-shadow: none !important;
+}
+
+input:-webkit-autofill,
+input:-webkit-autofill:hover,
+input:-webkit-autofill:focus,
+textarea:-webkit-autofill,
+textarea:-webkit-autofill:hover,
+textarea:-webkit-autofill:focus,
+select:-webkit-autofill,
+select:-webkit-autofill:hover,
+select:-webkit-autofill:focus {
+  border-color: var(--border-color);
+  -webkit-text-fill-color: var(--color);
+  -webkit-box-shadow: none;
+  transition: background-color 1000s ease-in-out 0s;
+}
+input:-internal-autofill-selected,
+.form-control,
+.custom-select {
+  color: var(--input-color);
+  background-color: var(--input-bg) !important;
+  border-color: var(--border-color);
+}
+.form-control:focus {
+  border-color: var(--border-color);
+}
 
 html,
 body {
@@ -32,8 +114,20 @@ body {
   height: 100%;
 }
 
+.dropdown-menu a,
+.markdown-body a,
+a {
+  color: var(--link-color);
+}
+.dropdown-menu a:hover,
+.markdown-body a:hover,
+a:hover {
+  text-decoration: none;
+  color: var(--link-hover-color);
+}
+
 .navbar {
-  background: #4a507b !important;
+  background: var(--header-bg-color) !important;
 }
 
 .navbar {
@@ -63,7 +157,7 @@ body {
 .generalMessage {
   display: block;
   text-align: center;
-  color: #ffffff;
+  color: var(--header-color);
 }
 
 .rgba-gradient {
@@ -82,55 +176,79 @@ body {
     rgba(51, 51, 51, 0.82),
     rgba(13, 17, 198, 0.69) 100%
   );
-  color: white;
+  color: var(--header-color);
 }
-a:hover {
-  text-decoration: none;
+
+.dropdown-menu,
+.body,
+.file-content,
+.markdown-body {
+  background-color: var(--main-bg-color) !important;
+  color: var(--color) !important;
 }
-.card-header .btn {
-  border: none;
+.file-content {
+  padding: 4px 7px;
+  text-align: left;
+  min-height: 100%;
+}
+
+.dropdown-item:focus,
+.dropdown-item:hover {
+  background-color: var(--hover-bg-color);
+}
+.card-header .btn,
+.card-header .btn:hover,
+.card-header .btn:focus {
+  border: none !important;
+  background: transparent !important;
 }
 .btn {
-  color: #333333;
-  border: 1px solid #333333;
+  color: var(--btn-color);
+  border: 1px solid var(--border-color);
   background: transparent;
   border-radius: 4px;
 }
+
 .btn:hover,
 .btn:active {
-  color: #333333 !important;
-  border: 1px solid #333333;
-  background-color: #dddddd !important;
+  color: var(--btn-color);
+  border: 1px solid var(--border-color);
+  background-color: var(--hover-bg-color);
   box-shadow: none !important;
 }
 .btn.btn-primary {
-  color: #ffffff;
-  background-color: #4a507b !important;
+  color: var(--primary-color);
+  background-color: var(--primary-bg);
 }
 .btn.btn-primary:active,
 .btn.btn-primary:hover {
-  color: #dddddd !important;
-  background-color: #363b61 !important;
+  color: var(--primary-active-color);
+  background-color: var(--primary-hover-bg) !important;
+}
+.btn::placeholder {
+  /* Chrome, Firefox, Opera, Safari 10.1+ */
+  color: var(--color);
+  opacity: 1; /* Firefox */
 }
 .white_border {
   border: 1px solid white;
   color: white;
 }
 
-.btn::placeholder {
-  /* Chrome, Firefox, Opera, Safari 10.1+ */
-  color: #666666;
-  opacity: 1; /* Firefox */
-}
-
 .leftCol {
   position: relative;
   flex: 0 0 auto;
   width: 100%;
   z-index: 9;
-  background: #ecedef;
-  background: white;
 }
+
+.leftCol,
+.sidePanel,
+.card {
+  background-color: var(--sidebar-bg-color);
+  border: 1px solid var(--border-color);
+}
+
 @media (min-width: 768px) {
   .leftCol {
     flex: 0 0 310px;
@@ -138,6 +256,7 @@ a:hover {
     height: 100%;
   }
 }
+
 .files {
   position: relative;
   display: block;
@@ -147,22 +266,22 @@ a:hover {
 
 .files a {
   display: block;
-  padding: 0px 3px 0px 25px;
-  color: #555555;
+  padding: 0px 3px 0px 20px;
+  color: var(--color);
 }
 
 .files .file,
 .files .folder {
   position: relative;
-  color: #555555;
+  color: var(--color);
   cursor: pointer;
   word-break: break-all;
 }
 
 .files .file.active a,
 .files .file a:hover {
-  background: #ecedef;
-  color: #555555;
+  background: var(--hover-bg-color);
+  color: var(--color);
 }
 .files ul {
   list-style: none;
@@ -187,16 +306,17 @@ a:hover {
   width: 7px;
   padding: 1px;
   padding-left: 1px;
-  color: #858b90;
+  color: var(--primary-bg);
 }
 
 .files .folder::before {
   content: "\f07b";
-  color: #3ba3f8;
+  color: var(--primary-bg);
 }
 
 .files .folder.open::before {
   content: "\f07c";
+  color: var(--primary-hover-bg);
 }
 
 .ace_editor {
@@ -207,15 +327,15 @@ a:hover {
 }
 
 .paths {
-  background-color: #ffffff;
+  background-color: var(--main-bg-color);
   padding: 8px 6px;
   margin: 0;
-  border-bottom: 1px solid #dddddd;
+  border-bottom: 1px solid var(--border-color);
   border-radius: 0;
 }
 
 .paths a {
-  color: #000000;
+  color: var(--color);
 }
 .paths .breadcrumb-item {
   padding-left: 3px;
@@ -228,15 +348,10 @@ a:hover {
   height: 100%;
   overflow: scroll;
   padding-top: 42px;
-  background: #f8f8f8;
+  background-color: var(--main-bg-color);
   text-align: center;
 }
-.file-content {
-  padding: 4px 7px;
-  text-align: left;
-  background: #ffffff;
-  min-height: 100%;
-}
+
 .image-content {
   max-width: 100%;
   max-height: 100%;
@@ -249,10 +364,6 @@ a:hover {
   text-align: center;
 }
 
-.preview {
-  height: 100%;
-  overflow: scroll;
-}
 pdfviewer {
   display: block;
   padding: 15px;
@@ -285,14 +396,14 @@ notebook {
 }
 
 .faq-section .panel-default .panel-title a {
-  color: #333333;
+  color: var(--color);
   display: block;
 }
 .faq-section .panel-heading {
-  background-color: #dddddd;
+  background-color: var(--sidebar-bg-color);
 }
 .faq-section .panel-default {
-  background-color: #f8f8f8;
+  background-color: var(--hover-bg-color);
 }
 .faq-section .panel-default .panel-title {
   margin-bottom: 0;
@@ -312,6 +423,17 @@ notebook {
   font-size: 1.2rem;
 }
 
+.table {
+  color: var(--color);
+}
+
+.table td,
+.table th,
+hr,
+.dropdown-divider {
+  border-color: var(--border-color);
+}
+
 .table.repositories td {
   word-break: break-word;
 }
@@ -347,3 +469,41 @@ loc .lang {
   line-height: 1;
   letter-spacing: -0.05rem;
 }
+
+.dark-mode .shadow {
+  box-shadow: none;
+}
+
+.dark-mode .overflow-auto::-webkit-scrollbar {
+  width: 10px;
+}
+
+.dark-mode .overflow-auto::-webkit-scrollbar-track {
+  -webkit-box-shadow: none;
+  background: inherit;
+  border-radius: 0;
+}
+
+.dark-mode .overflow-auto::-webkit-scrollbar-thumb {
+  border-radius: 10px;
+  border: 1px solid var(--border-color);
+  background-color: var(--hover-bg-color);
+}
+
+.dark-mode .rgba-gradient {
+  background: -moz-linear-gradient(
+    45deg,
+    rgb(45 45 64 / 82%),
+    rgb(23 26 49) 100%
+  );
+  background: -webkit-linear-gradient(
+    45deg,
+    rgb(45 45 64 / 82%),
+    rgb(23 26 49) 100%
+  );
+  background: linear-gradient(
+    to 45deg,
+    rgb(45 45 64 / 82%),
+    rgb(23 26 49) 100%
+  );
+}
diff --git a/public/index.html b/public/index.html
index ea20de7..2c06258 100644
--- a/public/index.html
+++ b/public/index.html
@@ -3,23 +3,41 @@
 <html lang="en" ng-app="anonymous-github" ng-controller="mainController">
   <head>
     <meta charset="UTF-8" />
-    <meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
+    <meta
+      name="viewport"
+      content="width=device-width, initial-scale=1, shrink-to-fit=no"
+    />
 
     <title ng-bind="title">Anonymous Github</title>
     <base href="/" />
 
-    <link rel="apple-touch-icon" sizes="180x180" href="/favicon/apple-touch-icon.png">
-    <link rel="icon" type="image/png" sizes="32x32" href="/favicon/favicon-32x32.png">
-    <link rel="icon" type="image/png" sizes="16x16" href="/favicon/favicon-16x16.png">
-    <link rel="manifest" href="/favicon/site.webmanifest">
-    <link rel="shortcut icon" href="/favicon.ico">
-    <meta name="msapplication-config" content="/favicon/browserconfig.xml">
-    <meta name="theme-color" content="#ffffff">
+    <link
+      rel="apple-touch-icon"
+      sizes="180x180"
+      href="/favicon/apple-touch-icon.png"
+    />
+    <link
+      rel="icon"
+      type="image/png"
+      sizes="32x32"
+      href="/favicon/favicon-32x32.png"
+    />
+    <link
+      rel="icon"
+      type="image/png"
+      sizes="16x16"
+      href="/favicon/favicon-16x16.png"
+    />
+    <link rel="manifest" href="/favicon/site.webmanifest" />
+    <link rel="shortcut icon" href="/favicon.ico" />
+    <meta name="msapplication-config" content="/favicon/browserconfig.xml" />
+    <meta name="theme-color" content="#ffffff" />
 
     <!-- CSS -->
     <link rel="stylesheet" href="/css/bootstrap.min.css" />
     <link rel="stylesheet" href="/css/font-awesome.min.css" />
 
+    <link rel="stylesheet" href="/css/color-schema.css" />
     <link rel="stylesheet" href="/css/style.css" />
     <link rel="stylesheet" href="/css/notebook.css" />
     <link rel="stylesheet" href="/css/prism.css" />
@@ -50,10 +68,9 @@
     <script src="/script/external/ace/ace.js"></script>
     <script src="/script/external/ui-ace.min.js"></script>
     <script src="/script/langColors.js"></script>
-    
+
     <script src="/script/ng-pdfviewer.min.js"></script>
     <script src="/script/app.js"></script>
-    
   </head>
   <body keypress-events class="d-flex flex-column">
     <ng-include src="'partials/header.htm'"></ng-include>
diff --git a/public/partials/anonymize.htm b/public/partials/anonymize.htm
index 3e85b99..108c589 100644
--- a/public/partials/anonymize.htm
+++ b/public/partials/anonymize.htm
@@ -1,11 +1,6 @@
 <div class="container-fluid h-100">
   <div class="row h-100">
-    <div
-      class="col-9 p-2 preview markdown-body"
-      ng-bind-html="html_readme"
-      ng-if="html_readme"
-    ></div>
-    <div class="col shadow overflow-auto h-100 d-flex align-content-end">
+    <div class="col sidePanel shadow overflow-auto h-100 d-flex align-content-end">
       <div
         class="p-0 py-2 m-auto"
         ng-class="{'card': !repoUrl,'container': repoUrl}"
@@ -486,5 +481,10 @@
         </form>
       </div>
     </div>
+    <div
+      class="col-9 p-2 h-100 overflow-auto markdown-body body"
+      ng-bind-html="html_readme"
+      ng-if="html_readme"
+    ></div>
   </div>
 </div>
diff --git a/public/partials/dashboard.htm b/public/partials/dashboard.htm
index d6dca20..0f1be00 100644
--- a/public/partials/dashboard.htm
+++ b/public/partials/dashboard.htm
@@ -1,6 +1,6 @@
 <div class="container-fluid h-100">
   <div class="row h-100">
-    <div class="leftCol shadow p-1 overflow-auto">
+    <div class="leftCol sidePanel shadow p-1 overflow-auto">
       <div class="container">
         <div class="row">
           <div class="col-6 col-md-12 p-1">
@@ -74,11 +74,11 @@
         <label class="form-check-label" for="removed"> Removed </label>
       </div>
     </div>
-    <div class="col-md h-100 overflow-auto">
+    <div class="col-md h-100 overflow-auto body">
       <div class="row">
         <div class="col p-0">
           <table class="table repositories">
-            <thead class="thead-light">
+            <thead>
               <tr>
                 <th scope="col" class="d-none d-xl-table-cell">#</th>
                 <th scope="col">Repository ID</th>
diff --git a/public/partials/header.htm b/public/partials/header.htm
index c36e2f1..c43202f 100644
--- a/public/partials/header.htm
+++ b/public/partials/header.htm
@@ -94,6 +94,21 @@
           <a class="dropdown-item" href="/profile">Default settings</a>
           <a class="dropdown-item" href="/dashboard">Projects</a>
           <div class="dropdown-divider"></div>
+          <a
+            class="dropdown-item"
+            href="#"
+            ng-click="darkMode(true);"
+            ng-if="!isDarkMode"
+            >Dark Mode</a
+          >
+          <a
+            class="dropdown-item"
+            href="#"
+            ng-click="darkMode(false);"
+            ng-if="isDarkMode"
+            >Light Mode</a
+          >
+          <div class="dropdown-divider"></div>
           <a class="dropdown-item" href="/api/user/logout" target="__self"
             >Logout</a
           >
diff --git a/public/script/app.js b/public/script/app.js
index 8bf041e..e9835ce 100644
--- a/public/script/app.js
+++ b/public/script/app.js
@@ -295,6 +295,19 @@ angular
         .substring(1)
         .split("/");
 
+      $scope.darkMode = function(on) {
+        localStorage.setItem("darkMode", on);
+        $scope.isDarkMode = on;
+        if (on) {
+          $("body").addClass("dark-mode");
+        } else {
+          $("body").removeClass("dark-mode");
+        }
+        $scope.$broadcast("dark-mode", on);
+      };
+
+      $scope.darkMode(localStorage.getItem("darkMode") == "true")
+
       function getUser() {
         $http.get("/api/user").then(
           (res) => {
@@ -1147,7 +1160,16 @@ angular
             _editor.setFadeFoldWidgets($scope.aceOption.fadeFoldWidgets);
           },
         };
-
+        $scope.$on("dark-mode", (event, on) => {
+          if (on) {
+            $scope.aceOption.theme = "nord_dark";
+          } else {
+            $scope.aceOption.theme = "chrome";
+          }
+        });
+        if ($scope.isDarkMode) {
+          $scope.aceOption.theme = "nord_dark";
+        }
         $scope.type = getType(extension);
 
         getContent($scope.filePath);