diff --git a/bl-plugins/alternative/languages/de_AT.json b/bl-plugins/alternative/languages/de_AT.json
new file mode 100644
index 00000000..41c85249
--- /dev/null
+++ b/bl-plugins/alternative/languages/de_AT.json
@@ -0,0 +1,14 @@
+{
+	"plugin-data":
+	{
+		"name": "Alternative Alternative",
+		"description": "Das Plugin erlaubt verschiedene Einstellungen für das Theme Alternative."
+	},
+	"enable-or-disable-dark-mode": "Dunkelmodus aktivieren oder deaktivieren.",
+	"enable-or-disable-google-fonts": "Google Fonts aktivieren oder deaktivieren.",
+	"relative": "Relativ",
+	"absolute": "Absolut",
+	"change-the-date-format-for-the-main-page": "Einstellung des Datumsformats auf der Haupt- oder Blogseite.",
+	"show-tags": "Schlagwörter zeigen",
+	"show-tags-in-the-main-page-for-each-article": "Zeigt auf der Haupt- oder Blogseite die Schlagwörter der Beiträge."
+}
diff --git a/bl-plugins/alternative/languages/de_CH.json b/bl-plugins/alternative/languages/de_CH.json
new file mode 100644
index 00000000..d4a1b62d
--- /dev/null
+++ b/bl-plugins/alternative/languages/de_CH.json
@@ -0,0 +1,14 @@
+{
+	"plugin-data":
+	{
+		"name": "Theme Alternative",
+		"description": "Das Plugin erlaubt verschiedene Einstellungen für das Theme Alternative."
+	},
+	"enable-or-disable-dark-mode": "Dunkelmodus aktivieren oder deaktivieren.",
+	"enable-or-disable-google-fonts": "Google Fonts aktivieren oder deaktivieren.",
+	"relative": "Relativ",
+	"absolute": "Absolut",
+	"change-the-date-format-for-the-main-page": "Einstellung des Datumsformats auf der Haupt- oder Blogseite.",
+	"show-tags": "Schlagwörter zeigen",
+	"show-tags-in-the-main-page-for-each-article": "Zeigt auf der Haupt- oder Blogseite die Schlagwörter der Beiträge."
+}
diff --git a/bl-plugins/alternative/languages/de_DE.json b/bl-plugins/alternative/languages/de_DE.json
new file mode 100644
index 00000000..d4a1b62d
--- /dev/null
+++ b/bl-plugins/alternative/languages/de_DE.json
@@ -0,0 +1,14 @@
+{
+	"plugin-data":
+	{
+		"name": "Theme Alternative",
+		"description": "Das Plugin erlaubt verschiedene Einstellungen für das Theme Alternative."
+	},
+	"enable-or-disable-dark-mode": "Dunkelmodus aktivieren oder deaktivieren.",
+	"enable-or-disable-google-fonts": "Google Fonts aktivieren oder deaktivieren.",
+	"relative": "Relativ",
+	"absolute": "Absolut",
+	"change-the-date-format-for-the-main-page": "Einstellung des Datumsformats auf der Haupt- oder Blogseite.",
+	"show-tags": "Schlagwörter zeigen",
+	"show-tags-in-the-main-page-for-each-article": "Zeigt auf der Haupt- oder Blogseite die Schlagwörter der Beiträge."
+}
diff --git a/bl-plugins/alternative/languages/en.json b/bl-plugins/alternative/languages/en.json
new file mode 100644
index 00000000..492a312b
--- /dev/null
+++ b/bl-plugins/alternative/languages/en.json
@@ -0,0 +1,14 @@
+{
+	"plugin-data":
+	{
+		"name": "Alternative Theme",
+		"description": "This plugin provides configuration for the theme Alternative."
+	},
+	"enable-or-disable-dark-mode": "Enable or disable dark mode.",
+	"enable-or-disable-google-fonts": "Enable or disable Google fonts.",
+	"relative": "Relative",
+	"absolute": "Absolute",
+	"change-the-date-format-for-the-main-page": "Change the date format for the main page.",
+	"show-tags": "Show tags",
+	"show-tags-in-the-main-page-for-each-article": "Show tags in the main page for each article."
+}
diff --git a/bl-plugins/alternative/languages/ja_JP.json b/bl-plugins/alternative/languages/ja_JP.json
new file mode 100644
index 00000000..a28fa023
--- /dev/null
+++ b/bl-plugins/alternative/languages/ja_JP.json
@@ -0,0 +1,14 @@
+{
+	"plugin-data":
+	{
+		"name": "Alternative Theme",
+		"description": "Alternativeテーマの設定を行うプラグインです。"
+	},
+	"enable-or-disable-dark-mode": "ダークモードを有効または無効にします。",
+	"enable-or-disable-google-fonts": "Google Fontsの利用を有効または無効にします。",
+	"relative": "相対的",
+	"absolute": "絶対的",
+	"change-the-date-format-for-the-main-page": "メインページの日付表示形式を変更します。",
+	"show-tags": "タグの表示",
+	"show-tags-in-the-main-page-for-each-article": "メインページの各記事にタグを表示します。"
+}
diff --git a/bl-plugins/alternative/metadata.json b/bl-plugins/alternative/metadata.json
new file mode 100644
index 00000000..0ff7a171
--- /dev/null
+++ b/bl-plugins/alternative/metadata.json
@@ -0,0 +1,11 @@
+{
+	"author": "Bludit",
+	"email": "",
+	"website": "https://plugins.bludit.com",
+	"version": "4.0.0",
+	"releaseDate": "2021-05-23",
+	"license": "MIT",
+	"compatible": "4.0.0",
+	"notes": "",
+	"type": "theme"
+}
\ No newline at end of file
diff --git a/bl-plugins/alternative/plugin.php b/bl-plugins/alternative/plugin.php
new file mode 100644
index 00000000..295cecd3
--- /dev/null
+++ b/bl-plugins/alternative/plugin.php
@@ -0,0 +1,33 @@
+<?php
+
+class alternative extends Plugin {
+
+    public function init()
+    {
+        $this->dbFields = array(
+            'googleFonts'=>false
+        );
+    }
+
+    public function form()
+    {
+        global $L;
+
+        $html  = '<div class="mb-3">';
+        $html .= '<label class="form-label" for="googleFonts">'.$L->get('Google Fonts').'</label>';
+        $html .= '<select class="form-select" id="googleFonts" name="googleFonts">';
+        $html .= '<option value="true" '.($this->getValue('googleFonts')===true?'selected':'').'>'.$L->get('Enabled').'</option>';
+        $html .= '<option value="false" '.($this->getValue('googleFonts')===false?'selected':'').'>'.$L->get('Disabled').'</option>';
+        $html .= '</select>';
+        $html .= '<div class="form-text">'.$L->get('Enable or disable Google fonts.').'</div>';
+        $html .= '</div>';
+
+        return $html;
+    }
+
+    public function googleFonts()
+    {
+        return $this->getValue('googleFonts');
+    }
+
+}
\ No newline at end of file
diff --git a/bl-themes/alternative/css/style.css b/bl-themes/alternative/css/style.css
index 8bcbbe47..91177422 100755
--- a/bl-themes/alternative/css/style.css
+++ b/bl-themes/alternative/css/style.css
@@ -18,6 +18,11 @@ img {
 	max-width: 100%;
 }
 
+a {
+    color: #004ab7;
+    text-decoration: none;
+}
+
 pre, code {
 	background: #f8f8f8;
 	color: #333;
@@ -139,3 +144,17 @@ section.home-page:nth-child(even) { /* Alternate the background color */
 	width:100%;
 	position:absolute;
 }
+
+/* Icons */
+.bi {
+    margin-right: .5rem!important;
+  }
+
+/* Remove Focus glow */
+.btn:focus,
+.form-control:focus,
+.form-select:focus,
+input:focus {
+  outline: none !important;
+  box-shadow: none !important;
+}
\ No newline at end of file
diff --git a/bl-themes/alternative/index.php b/bl-themes/alternative/index.php
index 36bdad69..c3fdef6b 100755
--- a/bl-themes/alternative/index.php
+++ b/bl-themes/alternative/index.php
@@ -1,27 +1,38 @@
 <!DOCTYPE html>
 <html lang="<?php echo HTML::lang() ?>">
 <head>
-	<meta charset="UTF-8">
-	<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
-	<meta name="generator" content="Bludit">
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1">
+    <meta name="generator" content="Bludit">
 
-	<!-- Dynamic title tag -->
-	<?php echo HTML::metaTagTitle(); ?>
+    <!-- Generate <title>...</title> -->
+    <?php echo HTML::metaTagTitle(); ?>
 
-	<!-- Dynamic description tag -->
-	<?php echo HTML::metaTagDescription(); ?>
+    <!-- Generate <meta name="description" content="..."> -->
+    <?php echo HTML::metaTagDescription(); ?>
 
-	<!-- Include Favicon -->
-	<?php echo HTML::favicon('img/favicon.png'); ?>
+    <!-- Generate <link rel="icon" href="..."> -->
+    <?php echo HTML::favicon('img/favicon.png'); ?>
 
-	<!-- Include CSS Bootstrap file from Bludit Core -->
-	<?php echo HTML::cssBootstrap(); ?>
+    <!-- Include CSS Bootstrap file from Bludit Core -->
+    <?php echo HTML::cssBootstrap(); ?>
 
-	<!-- Include CSS Styles from this theme -->
-	<?php echo HTML::css('css/style.css'); ?>
+    <!-- Include CSS Bootstrap ICONS file from Bludit Core -->
+    <?php echo HTML::cssBootstrapIcons(); ?>
 
-	<!-- Load Bludit Plugins: Site head -->
-	<?php execPluginsByHook('siteHead'); ?>
+    <!-- Include CSS Styles from this theme -->
+    <?php echo HTML::css('css/style.css'); ?>
+
+    <!-- Enable or disable Google Fonts from theme's settings -->
+    <?php if ($theme->googleFonts()): ?>
+        <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:sans,bold">
+        <style>
+            body { font-family: "Open Sans", sans-serif; }
+        </style>
+    <?php endif; ?>
+
+    <!-- Execute Bludit plugins for the hook "Site head" -->
+    <?php execPluginsByHook('siteHead'); ?>
 </head>
 <body>
 
diff --git a/bl-themes/alternative/init.php b/bl-themes/alternative/init.php
new file mode 100644
index 00000000..eaf07408
--- /dev/null
+++ b/bl-themes/alternative/init.php
@@ -0,0 +1,5 @@
+<?php defined('BLUDIT') or die('Bludit CMS.');
+
+if ($theme==false) {
+    exit("The theme needs the Alternative plugin to work properly, disables the theme and re-enables it to activate the plugin.");
+}
\ No newline at end of file
diff --git a/bl-themes/alternative/metadata.json b/bl-themes/alternative/metadata.json
index 1bce7dc7..16facfa2 100644
--- a/bl-themes/alternative/metadata.json
+++ b/bl-themes/alternative/metadata.json
@@ -2,9 +2,10 @@
 	"author": "Bludit",
 	"email": "",
 	"website": "https://themes.bludit.com",
-	"version": "4.0.0",
+	"version": "4.0",
 	"releaseDate": "2021-05-23",
 	"license": "MIT",
-	"compatible": "4.0.0",
-	"notes": ""
+	"compatible": "4.0",
+	"notes": "",
+	"plugin": "alternative"
 }
\ No newline at end of file
diff --git a/bl-themes/alternative/php/footer.php b/bl-themes/alternative/php/footer.php
index 490bbe90..bb05326b 100644
--- a/bl-themes/alternative/php/footer.php
+++ b/bl-themes/alternative/php/footer.php
@@ -1,5 +1,5 @@
 <footer class="footer bg-dark">
 	<div class="container">
-		<p class="m-0 text-center text-white text-uppercase"><?php echo $site->footer(); ?><span class="ms-5 text-warning">Powered by<img class="mini-logo" src="<?php echo DOMAIN_THEME_IMG.'favicon.png'; ?>"/><a target="_blank" class="text-white" href="https://www.bludit.com">Bludit</a></span></p>
+		<p class="m-0 text-center text-white text-uppercase"><?php echo $site->footer(); ?><span class="ms-5 text-warning">Powered by <a target="_blank" class="text-white" href="https://www.bludit.com">Bludit</a> - Open source CMS</span></p>
 	</div>
-</footer>
+</footer>
\ No newline at end of file
diff --git a/bl-themes/alternative/php/home.php b/bl-themes/alternative/php/home.php
index 79db6012..9a97138b 100644
--- a/bl-themes/alternative/php/home.php
+++ b/bl-themes/alternative/php/home.php
@@ -11,9 +11,9 @@
 
 		<!-- Custom search form if the plugin "search" is enabled -->
 		<?php if (isPluginActive('pluginSearch')): ?>
-		<div class="form-inline d-block">
-			<input id="search-input" class="form-control mr-sm-2" type="search" placeholder="<?php $language->p('Search') ?>" aria-label="Search">
-			<button class="btn btn-outline-primary my-2 my-sm-0" type="button" onClick="searchNow()"><?php $language->p('Search') ?></button>
+        <div>
+			<input id="search-input" class="form-control mb-3" type="search" placeholder="<?php $language->p('Search') ?>" aria-label="Search">
+			<button class="btn btn-outline-primary" type="button" onClick="searchNow()"><?php $language->p('Search') ?></button>
 			<script>
 				function searchNow() {
 					var searchURL = "<?php echo HTML::siteUrl(); ?>search/";
diff --git a/bl-themes/alternative/php/navbar.php b/bl-themes/alternative/php/navbar.php
index b243287c..0410a9e6 100644
--- a/bl-themes/alternative/php/navbar.php
+++ b/bl-themes/alternative/php/navbar.php
@@ -1,44 +1,32 @@
 <nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark text-uppercase">
-	<div class="container">
-		<a class="navbar-brand" href="<?php echo HTML::siteUrl(); ?>">
-			<span class="text-white"><?php echo $site->title(); ?></span>
-		</a>
-		<button class="navbar-toggler" type="button" data-toggle="collapse" data-target="#navbarResponsive" aria-controls="navbarResponsive" aria-expanded="false" aria-label="Toggle navigation">
-			<span class="navbar-toggler-icon"></span>
-		</button>
-		<div class="collapse navbar-collapse" id="navbarResponsive">
+    <div class="container">
+        <a class="navbar-brand" href="<?php echo HTML::siteUrl(); ?>">
+            <span class="text-white"><?php echo $site->title(); ?></span>
+        </a>
+        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
+            <span class="navbar-toggler-icon"></span>
+        </button>
+        <div class="collapse navbar-collapse" id="navbarSupportedContent">
+            <ul class="navbar-nav ms-auto mb-2 mb-lg-0">
 
-			<ul class="navbar-nav ms-auto">
+                <!-- Static pages -->
+                <?php foreach ($staticContent as $staticPage): ?>
+                <li class="nav-item">
+                    <a class="nav-link" href="<?php echo $staticPage->permalink() ?>"><?php echo $staticPage->title() ?></a>
+                </li>
+                <?php endforeach ?>
 
-				<!-- Static pages -->
-				<?php foreach ($staticContent as $staticPage): ?>
-				<li class="nav-item">
-					<a class="nav-link" href="<?php echo $staticPage->permalink(); ?>"><?php echo $staticPage->title(); ?></a>
-				</li>
-				<?php endforeach ?>
+                <!-- Social Networks -->
+                <?php foreach (HTML::socialNetworks() as $key=>$label): ?>
+                <li class="nav-item">
+                    <a class="nav-link" href="<?php echo $site->{$key}(); ?>" target="_blank">
+                        <img class="d-none d-sm-block nav-svg-icon" src="<?php echo DOMAIN_THEME.'img/'.$key.'.svg' ?>" alt="<?php echo $label ?>" />
+                        <span class="d-inline d-sm-none"><?php echo $label; ?></span>
+                    </a>
+                </li>
+                <?php endforeach; ?>
 
-				<!-- Social Networks -->
-				<?php foreach (HTML::socialNetworks() as $key=>$label): ?>
-				<li class="nav-item">
-					<a class="nav-link" href="<?php echo $site->{$key}(); ?>" target="_blank">
-						<img class="d-none d-sm-block nav-svg-icon" src="<?php echo DOMAIN_THEME.'img/'.$key.'.svg' ?>" alt="<?php echo $label ?>" />
-						<span class="d-inline d-sm-none"><?php echo $label; ?></span>
-					</a>
-				</li>
-				<?php endforeach; ?>
-
-				<!-- RSS -->
-				<?php if (HTML::rssUrl()): ?>
-				<li class="nav-item">
-					<a class="nav-link" href="<?php echo HTML::rssUrl() ?>" target="_blank">
-						<img class="d-none d-sm-block nav-svg-icon text-primary" src="<?php echo DOMAIN_THEME.'img/rss.svg' ?>" alt="RSS" />
-						<span class="d-inline d-sm-none">RSS</span>
-					</a>
-				</li>
-				<?php endif; ?>
-
-			</ul>
-
-		</div>
-	</div>
-</nav>
+            </ul>
+        </div>
+    </div>
+</nav>
\ No newline at end of file
diff --git a/bl-themes/blogx/init.php b/bl-themes/blogx/init.php
index ecbe2b82..da40f7d7 100644
--- a/bl-themes/blogx/init.php
+++ b/bl-themes/blogx/init.php
@@ -1,5 +1,5 @@
 <?php defined('BLUDIT') or die('Bludit CMS.');
 
 if ($theme==false) {
-    exit("The theme needs the plugin Popeye to work properly, please enable it from the admin panel.");
+    exit("The theme needs the BlogX plugin to work properly, disables the theme and re-enables it to activate the plugin.");
 }
\ No newline at end of file
diff --git a/bl-themes/blogx/php/navbar.php b/bl-themes/blogx/php/navbar.php
index 3bad040b..0410a9e6 100644
--- a/bl-themes/blogx/php/navbar.php
+++ b/bl-themes/blogx/php/navbar.php
@@ -1,32 +1,32 @@
 <nav class="navbar navbar-expand-md navbar-dark fixed-top bg-dark text-uppercase">
-	<div class="container">
-		<a class="navbar-brand" href="<?php echo HTML::siteUrl() ?>">
-			<span class="text-white"><?php echo $site->title() ?></span>
-		</a>
-        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarNav" aria-controls="navbarNav" aria-expanded="false" aria-label="Toggle navigation">
+    <div class="container">
+        <a class="navbar-brand" href="<?php echo HTML::siteUrl(); ?>">
+            <span class="text-white"><?php echo $site->title(); ?></span>
+        </a>
+        <button class="navbar-toggler" type="button" data-bs-toggle="collapse" data-bs-target="#navbarSupportedContent" aria-controls="navbarSupportedContent" aria-expanded="false" aria-label="Toggle navigation">
             <span class="navbar-toggler-icon"></span>
         </button>
-		<div class="collapse navbar-collapse" id="navbarNav">
-			<ul class="navbar-nav ms-auto">
+        <div class="collapse navbar-collapse" id="navbarSupportedContent">
+            <ul class="navbar-nav ms-auto mb-2 mb-lg-0">
 
-				<!-- Static pages -->
-				<?php foreach ($staticContent as $staticPage): ?>
-				<li class="nav-item">
-					<a class="nav-link" href="<?php echo $staticPage->permalink() ?>"><?php echo $staticPage->title() ?></a>
-				</li>
-				<?php endforeach ?>
+                <!-- Static pages -->
+                <?php foreach ($staticContent as $staticPage): ?>
+                <li class="nav-item">
+                    <a class="nav-link" href="<?php echo $staticPage->permalink() ?>"><?php echo $staticPage->title() ?></a>
+                </li>
+                <?php endforeach ?>
 
-				<!-- Social Networks -->
-				<?php foreach (HTML::socialNetworks() as $key=>$label): ?>
-				<li class="nav-item">
-					<a class="nav-link" href="<?php echo $site->{$key}(); ?>" target="_blank">
-						<img class="d-none d-sm-block nav-svg-icon" src="<?php echo DOMAIN_THEME.'img/'.$key.'.svg' ?>" alt="<?php echo $label ?>" />
-						<span class="d-inline d-sm-none"><?php echo $label; ?></span>
-					</a>
-				</li>
-				<?php endforeach; ?>
+                <!-- Social Networks -->
+                <?php foreach (HTML::socialNetworks() as $key=>$label): ?>
+                <li class="nav-item">
+                    <a class="nav-link" href="<?php echo $site->{$key}(); ?>" target="_blank">
+                        <img class="d-none d-sm-block nav-svg-icon" src="<?php echo DOMAIN_THEME.'img/'.$key.'.svg' ?>" alt="<?php echo $label ?>" />
+                        <span class="d-inline d-sm-none"><?php echo $label; ?></span>
+                    </a>
+                </li>
+                <?php endforeach; ?>
 
-			</ul>
-		</div>
-	</div>
+            </ul>
+        </div>
+    </div>
 </nav>
\ No newline at end of file
diff --git a/bl-themes/popeye/init.php b/bl-themes/popeye/init.php
index ecbe2b82..6bac7dc9 100644
--- a/bl-themes/popeye/init.php
+++ b/bl-themes/popeye/init.php
@@ -1,5 +1,5 @@
 <?php defined('BLUDIT') or die('Bludit CMS.');
 
 if ($theme==false) {
-    exit("The theme needs the plugin Popeye to work properly, please enable it from the admin panel.");
+    exit("The theme needs the Popeye plugin to work properly, disables the theme and re-enables it to activate the plugin.");
 }
\ No newline at end of file