diff --git a/hub/css/hpr.css b/hub/css/hpr.css
index de9e50f..cb3c32b 100644
--- a/hub/css/hpr.css
+++ b/hub/css/hpr.css
@@ -349,7 +349,7 @@ article > p,
       2px 4px 4px var(--shadow-cards);
 	transition: 0.3s;
 	flex: 1 0 100%;
-	overflow-x: scroll;
+	overflow: auto;
 	padding-bottom: 1rem;
 }
 .lane > article:hover,
@@ -363,7 +363,7 @@ article > p,
 	margin-right: 1rem;
 }
 .lane > article > header,
-.lane > article > h3 {
+.lane > article > h3:first-child {
 	background: var(--background-secondary);
 	padding: 1.5rem 1rem 1rem 1rem;
 	margin: 0;
@@ -371,12 +371,25 @@ article > p,
 	font-size: 1.45rem;
 	color: var(--background-primary);
 }
+.lane > article > header > .index-link {
+	float: right;
+}
+.lane.stack > article  {
+	border-radius: 0.5rem;
+	border: thin solid var(--background-secondary);
+	max-width: calc(100vw - 12px);
+}
+.lane.stack > article > header,
+.lane.stack > article > h3:first-child {
+	border-top-left-radius: 0.5rem;
+	border-top-right-radius: 0.5rem;
+}
 .lane > article > header a,
-.lane > article > h3 a {
+.lane > article > h3:first-child a {
 	color: var(--link-secondary);
 }
 .lane > article > header a:hover,
-.lane > article > h3:hover {
+.lane > article > h3:first-child:hover {
 	color: var(--link-secondary-hover);
 }
 .lane.stack> * > header * {
@@ -595,8 +608,8 @@ fieldset > table td input[type="radio"] {
 }
 #youtube {
 	--video-ratio: calc(390 / 640);
-	width: min(calc(95vw + 0px), 640px);
-	height: min(calc(calc(95vw + 0px) * var(--video-ratio)), 320px);
+	width: min(calc(89vw + 0px), 640px);
+	height: min(calc(calc(89vw + 0px) * var(--video-ratio)), 390px);
 }
 #upload_method pre {
 	max-width: 80vw;
@@ -828,3 +841,39 @@ fieldset > table td input[type="radio"] {
 		max-width: 30%;
 	}
 }
+@media (prefers-color-scheme: dark) {
+	:root {
+		--link-primary: #bbdfe7;
+		--link-header-hover: #b54c08; /* original --link-primary-hover */;
+		--link-primary-hover: var(--link-secondary-hover);
+		--background-primary: #4d4d4d; /* HPR Grey */
+		--text-primary: #dfdfdf /*#fffff7#fafafa#fbfbee #dfdfdf */;
+		--banner-text-primary: #b6b6b6; 
+		--shadow-secondary-color: hsl(0, 0%, 40%);
+		--input-border-primary: var(--shadow-secondary-color);
+		--lane-button-color: #d5e6ea;	
+	}
+	body > header {
+		background-image: url("/images/main-header-background-dark.png");
+		background-color: #22545a;
+	}	
+	img {
+		filter: brightness(0.70);
+	}
+	a.lane-button {
+		background-image: url("/images/lane-button-background-dark.png");
+		color: var(--lane-button-color);
+	}
+	a.lane-button img {
+		filter: none;
+	}
+	.lane > article > header {
+		color: var(--text-secondary);
+	}
+	#title a:hover {
+		color: var(--link-header-hover);
+	}
+	#hosts td:nth-child(-n+2) {
+		color: var(--text-primary);
+	}
+}