diff --git a/phpBB/styles/prosilver/template/breadcrumbs.html b/phpBB/styles/prosilver/template/breadcrumbs.html
new file mode 100644
index 0000000000..f71f6e73ff
--- /dev/null
+++ b/phpBB/styles/prosilver/template/breadcrumbs.html
@@ -0,0 +1,53 @@
+<ul id="nav-breadcrumbs" class="nav-breadcrumbs linklist navlinks" role="menubar">
+	{% set MICRODATA = 'itemtype="https://schema.org/ListItem" itemprop="itemListElement" itemscope' %}
+	{% set navlink_position = 1 %}
+
+	{% EVENT overall_header_breadcrumbs_before %}
+
+	<li class="breadcrumbs" itemscope itemtype="https://schema.org/BreadcrumbList">
+		{% if U_SITE_HOME %}
+		<span class="crumb" {{ MICRODATA }}>
+						{% apply spaceless %}
+						<a itemprop="item" href="{{ U_SITE_HOME }}" data-navbar-reference="home">
+							{{ Icon('font', 'home', '', true, 'fas o-icon-baseline') }}
+							<span itemprop="name">{{ L_SITE_HOME }}</span>
+						</a>
+						{% endapply %}
+						<meta itemprop="position" content="{{ navlink_position }}{% set navlink_position = navlink_position + 1 %}">
+					</span>
+		{% endif %}
+
+		{% EVENT overall_header_breadcrumb_prepend %}
+
+		<span class="crumb" {{ MICRODATA }}>
+					{% apply spaceless %}
+					<a itemprop="item" href="{{ U_INDEX }}" accesskey="h" data-navbar-reference="index">
+						{% if not U_SITE_HOME %}{{ Icon('font', 'home', '', true, 'fas o-icon-baseline') }}{% endif %}
+						<span itemprop="name">{{ L_INDEX }}</span>
+					</a>
+					{% endapply %}
+					<meta itemprop="position" content="{{ navlink_position }}{% set navlink_position = navlink_position + 1 %}">
+				</span>
+
+		{% for navlink in navlinks %}
+		{% set NAVLINK_NAME = navlink.BREADCRUMB_NAME | default(navlink.FORUM_NAME) %}
+		{% set NAVLINK_LINK = navlink.U_BREADCRUMB | default(navlink.U_VIEW_FORUM) %}
+
+		{% EVENT overall_header_navlink_prepend %}
+		<span class="crumb" {{ MICRODATA }}{% if navlink.MICRODATA %} {{ navlink.MICRODATA }}{% endif %}>
+						{% apply spaceless %}
+						<a itemprop="item" href="{{ NAVLINK_LINK }}">
+							<span itemprop="name">{{ NAVLINK_NAME }}</span>
+						</a>
+						{% endapply %}
+						<meta itemprop="position" content="{{ navlink_position }}{% set navlink_position = navlink_position + 1 %}">
+					</span>
+		{% EVENT overall_header_navlink_append %}
+		{% endfor %}
+
+		{% EVENT overall_header_breadcrumb_append %}
+
+	</li>
+
+	{% EVENT overall_header_breadcrumbs_after %}
+</ul>
diff --git a/phpBB/styles/prosilver/theme/colours.css b/phpBB/styles/prosilver/theme/colours.css
index c642adb22c..e14a133f5d 100644
--- a/phpBB/styles/prosilver/theme/colours.css
+++ b/phpBB/styles/prosilver/theme/colours.css
@@ -99,18 +99,19 @@ th a:hover {
 }
 
 /* round cornered boxes and backgrounds */
-.headerbar {
-	color: #ffffff;
+.headerbar,
+.headerbar h1 {
+	color: #eaf8ff;
 }
 
 .headerbar,
 .forumbg {
-	background-color: #13a4ec;
+	background-color: #4688ce;
 	background-repeat: repeat-x;
 }
 
 .forabg {
-	background-color: #13a4ec;
+	background-color: #4688ce;
 	background-repeat: repeat-x;
 }
 
@@ -118,6 +119,18 @@ th a:hover {
 	background-color: #c9dee8;
 }
 
+.headerbar .navbar a {
+	color: #eaf8ff;
+}
+
+.headerbar .navbar .dropdown a {
+	color: #0f4d8a;
+}
+
+.header-profile {
+	text-shadow: 0 0 var(--ps-font-tiny) #eaf8ff;
+}
+
 .panel {
 	background-color: #f0f3f5;
 	color: #29303d;
@@ -814,6 +827,10 @@ dd.profile-warnings {
 /*  icon images */
 .site_logo { background-image: url("./images/site_logo.svg"); }
 
+.c-hero-logo-img g {
+	fill: #eaf8ff;
+}
+
 /*	colours and backgrounds for cp.css */
 
 /* main cp box */
diff --git a/phpBB/styles/prosilver/theme/common.css b/phpBB/styles/prosilver/theme/common.css
index e8f32465e2..46edea7c04 100644
--- a/phpBB/styles/prosilver/theme/common.css
+++ b/phpBB/styles/prosilver/theme/common.css
@@ -17,7 +17,7 @@ body {
 	line-height: normal;
 	word-wrap: break-word;
 	margin: 0;
-	padding: 12px 0;
+	padding: 0 0 12px;
 	-webkit-print-color-adjust: exact;
 }
 
@@ -151,12 +151,13 @@ a:hover {
 /* Main blocks
 ---------------------------------------- */
 .wrap {
-	border: 1px solid transparent;
-	border-radius: 8px;
+	border: solid transparent;
+	border-width: 0 1px 1px;
+	border-radius: 0 0 8px 8px;
 	min-width: 625px;
 	max-width: 1152px;
 	margin: 0 auto;
-	padding: 15px;
+	padding: 0 15px 15px;
 }
 
 .page-body {
@@ -200,7 +201,9 @@ a:hover {
 /* Round cornered boxes and backgrounds
 ---------------------------------------- */
 .headerbar {
-	border-radius: 7px;
+	background-image: url('images/lighter2.png');
+	border-radius: 0 0 7px 7px;
+	background-size: cover;
 	display: flex;
 	flex-direction: column;
 	margin-bottom: 0.5rem;
@@ -212,6 +215,11 @@ a:hover {
 	padding: 3px 10px;
 }
 
+.headerbar .navbar {
+	background: none;
+	padding: calc(var(--ps-line-height) * 0.25) 5px calc(var(--ps-line-height) * 0.5);
+}
+
 .forabg {
 	border-radius: 7px;
 	clear: both;
@@ -340,6 +348,10 @@ ul.linklist .dropdown-up .dropdown {
 	bottom: 18px;
 }
 
+ul.nav-breadcrumbs {
+	margin: var(--ps-line-height) 0;
+}
+
 /* Bulletin icons for list items
 ---------------------------------------- */
 ul.linklist.bulletin > li:before {