diff --git a/phpBB/styles/prosilver/template/forum_fn.js b/phpBB/styles/prosilver/template/forum_fn.js
index 1b2b1954ef..d4653c1be3 100644
--- a/phpBB/styles/prosilver/template/forum_fn.js
+++ b/phpBB/styles/prosilver/template/forum_fn.js
@@ -433,6 +433,39 @@ function parse_document(container)
 		jumpto($(this));
 	});
 
+	/**
+	* Dropdowns
+	*/
+	container.find('.dropdown-container').each(function() {
+		var $this = $(this),
+			trigger = $this.find('.dropdown-trigger:first'),
+			contents = $this.find('.dropdown'),
+			options = {
+				direction: 'auto',
+				verticalDirection: 'auto'
+			},
+			data;
+
+		if (!trigger.length) {
+			data = $this.attr('data-dropdown-trigger');
+			trigger = data ? $this.children(data) : $this.children('a:first');
+		}
+
+		if (!contents.length) {
+			data = $this.attr('data-dropdown-contents');
+			contents = data ? $this.children(data) : $this.children('div:first');
+		}
+
+		if (!trigger.length || !contents.length) return;
+
+		if ($this.hasClass('dropdown-up')) options.verticalDirection = 'up';
+		if ($this.hasClass('dropdown-down')) options.verticalDirection = 'down';
+		if ($this.hasClass('dropdown-left')) options.verticalDirection = 'left';
+		if ($this.hasClass('dropdown-right')) options.verticalDirection = 'right';
+
+		phpbb.registerDropdown(trigger, contents, options);
+	});
+
 	/**
 	* Adjust HTML code for IE8 and older versions		
 	*/
diff --git a/phpBB/styles/prosilver/theme/common.css b/phpBB/styles/prosilver/theme/common.css
index 225673a932..41cfb37cf2 100644
--- a/phpBB/styles/prosilver/theme/common.css
+++ b/phpBB/styles/prosilver/theme/common.css
@@ -407,6 +407,14 @@ li.responsive-menu .dropdown .dropdown-contents {
 	padding: 0 5px;
 }
 
+ul.linklist .dropdown-down .dropdown {
+	top: 22px;
+}
+
+ul.linklist .dropdown-up .dropdown {
+	bottom: 18px;
+}
+
 ul.linklist .dropdown li {
 	clear: both;
 }
@@ -437,10 +445,18 @@ ul.linklist.bulletin li.no-bulletin:before {
 
 /* Dropdown menu
 ----------------------------------------*/
+.dropdown-container {
+	position: relative;
+}
+
+.nojs .dropdown-container:hover .dropdown {
+	display: block !important;
+}
+
 .dropdown {
 	position: absolute;
 	left: 0;
-	top: 22px;
+	top: 1.2em;
 	z-index: 2;
 	border: 1px solid transparent;
 	border-radius: 5px;
@@ -449,16 +465,15 @@ ul.linklist.bulletin li.no-bulletin:before {
 
 .dropdown-up .dropdown {
 	top: auto;
-	bottom: 18px;
+	bottom: 1.2em;
 	padding: 0 0 9px;
 }
 
-.dropdown-left .dropdown {
+.dropdown-left .dropdown, .nojs .rightside .dropdown {
 	left: auto;
 	right: 0;
 }
 
-
 .dropdown .pointer, .dropdown .pointer-inner {
 	position: absolute;
 	width: 0;
@@ -488,7 +503,7 @@ ul.linklist.bulletin li.no-bulletin:before {
 	top: auto;
 }
 
-.dropdown-left .dropdown .pointer {
+.dropdown-left .dropdown .pointer, .nojs .rightside .dropdown .pointer {
 	left: auto;
 	right: 10px;
 }